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/*! \page changelog Changelog
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- <b>OpenFlipper 1.2 ( ?  , 12507 )</b>
     - <b>ACG</b>
         - QtWidgets
             - Added ColorChooserButton with alpha channel display
             - Use new ColorChooserButton for QtMaterialDialog
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     - <b>ObjectTypes</b>
         - PolyMeshObject
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             - Switched color type in meshes from Vec3uc to Vec4f to support alpha per primitive
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         - TriMeshObject
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             - Switched color type in meshes from Vec3uc to Vec4f to support alpha per primitive
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     - <b>Plugins</b>
         - File PLY
             - View all after loading a file to see the scene
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     - <b>Build System</b>
         - Added option to allow in source builds (not recommended but it works)

- <b>OpenFlipper 1.1 ( 2011.09.26  , 12468 )</b>
     - <b>ACG</b>
         - SceneGraph
             - General
                 - Changed all nodes to use the glstate system instead of direct gl calls
             - MaterialNode
                 - Changes to light and material dialog to set alpha channel
             - MeshNode
                 - Fixed bug in per vertex picking buffer(was sometimes empty).
                 - Render faces with normals defined on the mesh(and do not compute them)
             - StatusNode
                 - Implement on demand updates (before everything was updated on a change)
     - <b>Core</b>
         - File handling
             - Fixed load and save bug, where extensions where considered equal if prefix matched
         - General
             - Type iterator introduced to iterate over all currently available types
             - Removed process events calls from snapshots
             - Added threaded writing for video function (higher framerates possible due to less io waiting)
             - Removed the unique naming functions from file plugins (not required, horribly slow)
             - Removed all processEvents from core
             - Large speedup to mesh object updates (due to status node switch for on demand updates)
         - GUI
             - Fixed bug causing a crash when switching between logger modes
             - Reworked log viewer animation and embedding
             - Reworked in scene toolbar integration
             - Fixed bug with transparent frame introduced with QT 4.7.3 onward
             - Added functions to hide status bar ( Ctrl+b , scripting)
             - When going to fullscreen, hide only toolbars that are currently docked
             - Reintroduced checkbox for rendering toolbar outside of scene
             - Added menus to switch between postprocessors and renderers
             - Introduced split viewer layout with two viewers next to each other
             - Set focus on right examiner when a context menu is requested
             - Icons for video capture
         - Load/Save
             - Dont crash when we get a wrong id after adding a new object
             - Fixed bug in recent files menu which sometimes ignored the type
         - Options 
             - Fixed bug where translations could not be switched in the options dialog
             - Added sliders to options widget to support smaller screens
         - Rendering
             - Moved flyTo animations to animation framework (no more ugly processEvents)
             - Fixed fly to animation not working when rotation ofthe viewer was locked
             - Snapshot functions now have asynchronus file writers
             - Removed philips stereo code from core ( moved into postprocessor plugin)
         - Scripting
             - More slot documentations
             - added deleteObject function
             - Changed snapshot functions to count filenames with leading zeros
             - Added printToFile scripting function
             - Added the global function printToFile to list of scripting functions
             - Slot descriptions for global scripting functions
     - <b>Interfaces</b>
         - BaseInterface
             - Added a drawModeChanged slot
         - RenderInterface
             - New interface to replace the core rendering function with a specialized one
         - PostProcessorInterface
             - Introduced new interface to add rendering postprocessors to plugins (e.g. render depth image)
     - <b>Plugins</b>
         - File OBJ
             - Add empty object if empty file is read instead of failing
             - Fixed issue regarding vertices that belong to a specific group. Vertices are now stored globally 
               and then copied to the group meshes on demand..
         - File PLY
             - PLY Reader implementation for forcing data type (required for recent files with specific type)
         - File VTK
             - Introduced new VTK importer/exporter plugin   
         - Post Processor Depth Image 
             - New Plugin taking depth buffer and rendering it as the final output image
         - Post Processor Philips Stereo
             - Postprocessor for image output on Philips autostereoscopic displays
         - Render Picking
             - Plugin that implements the core render picking functionality
             - Renders the picking color buffer to the screen.
         - Scripting
             - Added if and break to keywords
             - Added line numbers to editor and error line highlighting
             - Added statusbar and error messages with line numbers
             - Toolbar for scripting widget
             - Clear scripting window after executing core scripts
             - Scripting function to clear the script widget
             - Bring widget to front when requested
             - Online syntax checking
         - Selection
             - Introduce function to load selections via scripting from files
             - Fixed bug in selection plugin where sphere painter size was not updated on the fly
             - Readded button to load flipper selections
             - Fixed bug where sphere selection sometimes failed (pciking itself instead of object)
         - SkeletonEditing
             - Fixed flickering when adding skeleton joints
         - Texturecontrol
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             - Don't switch drawmode when texture is switched ( ==== You have to switch the drawmode yourself in a plugin now) ===== )
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             - Bugfix to react on switching to texture based drawmodes
             - Histogramm for 1d halfedge based texture coords for texture properties widget
             - Bugfix property abs (absolute value) no longer causes a parse error
         - VSI
             - Fixed bug where meshobjectinfo was not correctly supported
     - <b>Build System</b>
         - Increased min cmake version to 2.8.5 to work around some build problems with minor versions
         - Follow links when recursivly adding sources
         - Added missing call t find_package doxygen causing per plugin docs to be skipped
         - Install ACG Library along with OpenFlipper
         - Changed name of PluginLib to OpenFlipperPluginLib 
         - Added basic debian build directory

- <b>OpenFlipper 1.0.2 (  2011.06.30 , 11903 )</b>
     - <b>ACG</b>
         - SceneGraph
             - GridNode
                 - Only return a bounding box, if there will be something visible
             - ManipulatorNode
                 - Fixed manipulator node, where bounding box was computed without center
             - MaterialNode
                 - Change point size and line width in picking mode to avoid user confusion
             - MeshNode
                 - Added GPU Cache optimizer ( For per vertex draw modes; Speedup for rendering about 3 )
                 - Use buffer objects for rendering
             - ShaderNode
                 - Fixed return type of functions
                 - Don't use shaders when insufficient gl version is detected
         - GL
             - Fixed bug that made VertexBufferObject unusable
             - Fixed bug that made FrameBufferObject unusable
             - Avoid usage of glIsRenderBuffer
             - Added functions for gl version check
             - Preparation of gl state locking (not completed yet)
         - Shaderutils
             - Check if gl version satisfies requirements for shaders
         - Documentation
             - Color picking documentation
     - <b>Core</b>
         - Rendering
             - Fixed bug, when empty objects where added (Scenegraph Bounding box was not correctly reset)
             - Disable two sided lighting by default (Way faster rendering without tsl)
             - Fixed initial draw mode on mac os on first startup
         - User Interactions
             - Fixed doubleclick in multiview not moving hitpoint to center in ortho mode
             - Context Menu: Fixed crash when no default view mode was set
         - Options
             - Handle default projection mode via OpenFlipperSettings and reorder widget
             - Added default lock rotation setting
             - Make ViewerProperties aware of the viewer id it belongs to
             - Place options in correct config files to be app store compliant
         - View mode
             - When adding context menus, remove the accelerators & to avoid matching failiures
             - Fix for the undo/redo context menu entries containing special characters.
         - Load/Save
             - Fixed handling of last directory to avoid jumps between dirs in file dialogs.
             - Fixed variable initialization in ParseINI
             - Rename files if multiple files have the same name when saving settings file.
             - Fixed bug in load save dialog, where capital extensions were not handled correctly
         - Plugin Loader
             - Limit number of preload threads
         - Scripting
             - Dont create ui elements from scripting in batch mode
         - Sapshots
             - Removed process events from aplpication snapshot (strange behavior)
         - User Interface
             - Introduced option if pickmode toolbars are handled in the viewer or as a traditional toolbar on the left
         - About Dialog
             - List registered file plugins
             - Added intel compiler infos
             - Show os endian type
     - <b>Interfaces</b>
         - Introduced selection Interface
         - Introduced Information Interface
             - From now on, it is necessary to implement an info plugin for each specific data type. 
             - This plugin has to override InformationInterface in order to provide information on a clicked object.
         - Reworked Backup Interface
         - BaseInterface
             - Fixed non called slot pluginViewUpdated which broke the viewChanged signal in BaseInterface
     - <b>ObjectTypes</b>
         - BaseObjectData
             - Fixed virtual function shadowing
         - BSplineCurve
             - BSplineCurveT: Added selection wrapper functions 
             - Fixed rendering of knot selection
             - Added icon for B-spline Curves
             - Added context menu to show/hide selection and cotrol net
         - BSplineSurface
             - BSplineSurfaceT: Added selection wrapper functions
             - Fixed rendering of knot selection
             - Added icon for B-spline surfaces
             - Added context menu to show/hide selection and cotrol net
             - Corrected behaviour of control point deletion 
         - Camera
             - New Datatype for visualizing cameras
         - CoordSys
             - Fixed coordsys node which did not initialize the rotation matrix.
             - Smooth shaded mode for coordsys
             - fixed bug where coordsys state was wrong after snapshot
         - Light
             - Make sure to not use OpenGL, if its not there (Fixes batch mode in headless compute clusters)
         - MeshObject
             - Fixed functions to set/get selections which ignored vertex 0
             - Update status nodes when geometry is updated. Otherwise they are at the wrong pos with wrong bounding box
             - Introduced update textures signal
         - Plane
             - Added missing plugin function (get PlaneObject from id)
         - Skeleton
             - Fixed error on some compilers not building although class was defined as friend
     - <b>Plugins</b>
         - Backup
             - Reworked Backup system
                 - Support for global undo redo
                 - Support for per object undo redo
                 - Support for undo/redo groups
                 - Support for partial backups (selection only ... )
                 - Integrated backup requests in with type plugins
         - Datacontrol
             - Don' change source and target settings of objects when they get grouped
             - Fixed warning, when groupobjects have been appended to their parent twice
         - FileOBJ
             - Fixed crash with wrong indices in obj importer (Only triggered on defect obj files)
             - Fixed group parsing (All items that have the same group name will end up in one object now)
         - FileOFF
             - Fixed windows build error on some VS versions
             - Fixed parsing of off files containing empty lines
             - Fixed parsing of some comments
         - FilePLY
             - Improved error handling when indices are out of range
             - don't ignore user settings in ascii reader
             - Support big endian files
             - Correctly write binary header(missing endian)
             - reserve memory before adding data to improve speed
             - Fixed crash in binary reader with texture coordinates
         - Info
             - Renamed to InfoMeshObject
         - MeshRepair
             - Cleanup, functions to compute normals
             - Made mesh repair functions scriptable
             - Visual scripting interface itegration
         - Move
             - Move multiple objects at once
             - Built in function to rasterize manipulator rotation (in 45 degree steps) if shift and control is pressed simultaneously.
         - Selection
             - Reworked selection Interface
                 - SelectionBase Plugin now handles the basics
                 - Per type one selection plugin handles this types selection
                 - Only available selection metaphors are enabled in the gui
             - Fixed bug where vertex selection was not saved properly
             - Fixed pickmode toolbar rendering bug in MacOS and Windows.
         - Smoother
             - updated normals after smoothing
             - add possibility for using fixed weights
             - removed unnecessary garbage collection
         - Texture Plugins
             - Fixed OpenFlipper crash when computing curvature textures on Darwin (Disabled openmp .. unclear why it crashes)
         - TextureControl
             - Added imagestore to reuse already active textures
         - Topology
             - Now operates on quad meshes where possible
         - TypeLight
             - Make TypeLight run in batch mode
         - TypeCamera
             - Make TypeCamera run in batch mode
     - <b>Build System</b>
         - Introduced option to debug OpenFlipperSettings (cerr read and write access to settings)
         - Introduced mac option to provide a user defined Info.plist
         - Added 512x512 Icon to OpenFlipper_Icon.icns 
         - Only build documentation if doxygen is available
         - Added simple ANN finder
         - Plugin Configuration output
             - Sort list of configured plugins
             - Add more spaces for longer plugin names
             - Sort plugin configuration details into groups
             - Output Build type when configuring
         - Additional mac path for qt_menu.nib
         - License Manager changes. Global flag now controls if the license managers get enabled.
         - Added cmake macros for gtest dependencies used for unit testing
         - Flag for appstore compliance added (-DAPP_STORE_COMPLIANT)
         - Added cuda integration for plugins
         - Fixed include of global dependencies that havve to be integrated to core
         - Introduced Recursive dependecies (Parses flags like LIBRARY_DEPS and LIBRARY_OPT_DEPS)
     - <b>Packaging</b>
         - Added file type association for mac OS
         - Flag for appstore compliance added
         - Changed the path to OpenFlippers config dir to be app store compliant
         - Automatically copy qt plugins into bundle/installer
     - <b>Documentation</b>
         - Fixed doxygen problem with missing includes
         - Fixed typo which caused DeveloperDoc to include user doc
         - Skeleton Documentation
         - Tutorial to add empty objects


- <b>OpenFlipper 1.0.1 (  03.21.2011 , 11158 )</b>
     - <b>Interface changes</b>
         - <b>ACG</b>
             - In ACG enter,enterPick,leave,leavePick,draw functions now get the draw mode as const reference. Please change your nodes accordingly
         - <b>Interfaces</b>
             - Remove getAllFilters from LoadSaveInterface as the right functions are in the file interface
             - Moved openedFile signal from LoadSaveInterface to FileInterface
     - <b>ACG</b>
         - General
             - Remove glew on Mac
         - GLState
             - clearallbuffers fixed (cleared whole buffer instead of the viewport only( broke multiview of OpenFlipper ) 
         - DrawModes
             - Made isAtomic const
         - Scenegraph
             - enter,enterPick,leave,leavePick,draw functions now get the draw mode as const reference. Please change your nodes accordingly
         - LineNode
             - Fixed rendering of line node in LineSegments mode where wrong color was used
     - <b>Core</b>
         - Log Window
             - Fixed log filter button staying pressed
         - About widget
             - Added section about developers
             - Show library paths in about dialog
         - User Interface
             - Scripting function to move toolboxes to top or bottom
         - Interfaces
             - Make operator functions for == an != const in ObjectIterator
             - Remove getAllFilters from LoadSaveInterface as the right functions are in the file interface
             - Moved openedFile signal from LoadSaveInterface to FileInterface
         - Rendering
             - Added option to set minimal scene size
         - Snapshot functions
             - Trim snapshot filename (Fixes bug, where windows got confused when space was behind the filename which caused an inaccesible file )
         - Internals
             - Renamed slotObjectOpened in core to slotFileOpened
     - <b>LicenseManager</b>
         - Use separate Hashes for each network interface
         - Use more reliable windows native code to get windows interfaces
         - Include product id on windows
         - Fixed wrong coreApp path on Mac
         - Get rid of extra message box when license files are not found
         - Ovverride button to generate License without a request
     - <b>ObjectTypes</b>
         - BSplineCurve
             - Fixed some rendering errors
         - Coordsys Object
             - New Object type for visualizing coordinate systems
         - MeshObjects 
             - Bugfixes
                 - Fixed StatusNodeMod for handle and modeling regions to return correct information about handle/modeling areas.
         - SkeletonObjects
             - Update of Animation classes
     - <b>Plugins</b>
         - Selection
             - Store halfedge selections in ini file
         - FileOBJ
             - Store textures to texture dir with name prefix of file to avoid ambigouties
         - FileSkeleton
             - Removed ( Is now FileSKL)
         - MeshRepair
             - Made most functions scriptable
             - Some minor bugfixes
         - Move
             - Fixed wrong update of normals
             - Transform skeletons correctly
             - Corrected setPosition function to correctly transform mesh as desired.
         - ViewControl
             - Scripting function to set projection mode of coordinate system
         - VSI (Visual scripting interface)
             - Fixed bug that prevented usage of conditions and loops
             - Scripting functions for Mesh Repair Plugin
     - <b>Documentation</b>
         - Developer Documentation
             - Include all code in OpenFlippers directory in the developer docs
             - Overview for datatypes
             - Document skeleton class
             - Document Mesh datatypes
             - Documentation for Interfaces
         - User Documentation
     - <b>Build System</b>
         - Moved VERSION file to OpenFlipper subdir, as this represents more or less the core version
         - Be less verbose in doxygen configs
         - Updated doxygen macro
         - plugins can now provide user documentation in the userDoc subdir
         - Fixed missing ACGDLL definition when building pluginlib
         - install documentation along with OpenFlipper

- <b>OpenFlipper 1.0 (  01.26.2011 , 10764 )</b>
     - <b>ACG</b>
         - GLState
             - Enable or disable Mipmapping
             - Moved depth_func_ from BaseNode to GL_State
             - Pass Scene boundingbox through glstate (Allow nodes to get current boundingbox)
         - Dialogs
             - Added Dialog for texture node
             - QtMaterialDialog (Fixed bugs and interference with round_points/smooth_line)
         - BSlineCurveNode
             - Get colors from materialNode rather than setting it in the node directly
         - BSlineSurfaceNode
             - Get colors from materialNode rather than setting it in the node directly
         - Coordsys Node
             - Implemented orthogonal mode
         - GLState
             - Correctly clear buffers
         - Gridnode
             - Fixed size now works correctly
         - LightNode
             - Picking implemented
             - Fixed BoundingBox computation
         - MaterialNode
             - Added random color generator
         - MeshNode
             - Added per face per vertex normal buffer
             - New EDGE_COLORED draw mode
             - New HALFEDGE and HALFEDGE_COLORED draw mode
             - Fixed a bug in MeshNode2T that would permanently change the depth comparison function instead of only temporarily
             - Correctly unbind texture if bound in MeshNode
         - PlaneNode
             - Fixed an error in the nonzero normal detection in PlaneNode::setPosition.
         - Pointnode
             - Fixed null pointer dereference when no points are available
         - QtMaterialDialog
             - Bugfix ( GL_SCR_ALPHA was missing as choice for blending param)
         - Quaternions
             - Matrix constructor added
             - Added dual quaternions
         - Scenegraph
             - Extend drawMode Action to include a force mode (forces the given drawmode on all nodes)
         - StatusNode
             - Halfedge Selections
             - Fixed bug accessing element one of empty array
         - TextureNode
             - Enable or disable Mipmapping
         - Transform Node
             - Support planar 2D objects
     - <b>Core</b>
         - About Dialog
             - Added output for cpu information
             - Added output for memory information
             - Added output for os information
         - BaseObject
             - Remove all children from additional node when deleting the subtree(otherwise we get dangling pointers)
             - Function to set drawmode for all child nodes in an object
         - Backup Interface
             - Icons for undo/redo
             - Intorduced backup groups (create groups of changes for undo/redo .. e.g. if multiple objects are involved)
         - Startup
             - Added some functions to check for correct lib versions (prevent linking against newer qt than compile version)
         - Rendering 
             - Sanity Checks for OpenGL Version. Test for GL capabilities on startup.
             - Removed light handling completely ( -> Plugin-TypeLight)
             - Added options to enable or disable mipmapping
             - Set minimal scene size for startup to 10 
             - Implemented zoom to for orthogonal projection mode
             - Added option to set fov for the viewers
             - Added option to directly render depth buffer as image
             - Bugfix (lookat wrong for ortho mode)
             - Bugfix (Wrong parameters when resizing viewer)
             - Improved fly to functions
         - Key Handling
             - Fixed alt-key bug where last mode was not restored correctly on windows
         - Info
             - Show memory usage information in about dialog on linux
         - License Manager
             - Improved license checks
             - Improved license keygen ui
             - Checks cpu as well
         - Load/Save
             - Fixed bug when supported extensions are not parsed correctly
             - Fixed bug when filename extensions with capital letters where not marked as supported
             - Add files opened via commandLine to recent files
             - Fixed bug which overrides colors loaded from files with random colors
             - Fixed bug where objectDeleted(int) was called after the actual object is delete (making it impossible to cleanup on that signal)
             - Fixed bug where objects generated by a plugin could not be saved
             - Fixed bug, where sometimes the save to dialog returned wrong directory and saved to default folder instead
             - Fixed bug, where filenames with multiple dots where not handled correctly
         - Log Window
             - Added filter Menu to disable OpenMesh error messages
         - Options
             - Some gui cleanup for options widget
         - Settings
             - Sanity checks if no default is given for OpenFlipperSettings
         - Scripting
             - Set fovy via scipting
             - set toolbox orientation via scripting
         - Snapshots
             - Remember last states for snapshot dialog
             - Render snapshots offscreen (Arbitrary size)
             - Added option to hide coordsys in snapshots
             - Added options to set background to alpha in snapshots
             - Added option to enable/disable multisampling in snapshots (and adjust #points used for multisampling)
             - Improved scripting functions for snapshots
         - PluginConnection Interface
             - Allow to connect signals and slots across plugins
         - Process Interface
             - Show progress dialog centered at corewidget (not anywhere on screen)
         - Toolbox interface 
             - Support icons for toolboxes
         - User Interface
             - Added option to show toolbox on the left
             - Added option to show/hide view mode controls
         - ViewMode Interface
             - Allow setting of viewmodes
     - <b>ObjectTypes</b>
         - MeshObjects 
             - BSP Tree 
                 - Improve cutting planes to speedup search (more balanced tree)
                 - Allow ray intersections for searching in tree (Search for all faces hit by ray)
             - Bugfixes
                 - Fixed wrong lower value computed for bounding boxes (wrong initialization clamping bounding box to upper part of (0.0,0.0,0.0) ) 
         - PolyLineObjects
         - new Skeleton object type
     - <b>New Plugins</b> 
         - Backup
             - Added Backup plugin to free branch
         - FileSKL 
             - Load/Save Skeleton files (skl) 
         - FileBVH
             - Load/Save BVH Skeleton Files (BioVision)
         - Mesh Repair
             - Detect and remove some simple defects on meshes
         - SkeletalAnimation
             - Animates skeletons
         - SkeletonEditing
             - Edit Skeletons
         - Subdivider
             - Added OpenMesh subdivider plugin to the free branch 
         - TypeSkeleton
             - Handles skeleton data type 
     - <b>Plugins</b>
         - DataControl
             - Added Object name and ID display to Datacontrol popup menu
             - Better on/off visualization for light sources
             - Collapse Additional boxes to save space
         - Decimater
             - Support backup plugin ( ->undo )
         - FileOBJ
             - Bugfix for negative indices for vertices
             - Save texxtures and material files
             - Support negative vertex index for spline curves and surfaces
             - Fixed bug reading knot vector in wrong order for spline surfaces
         - FileOFF
             - Bugfix for crash when reading degenerate faces
         - FilePLY
             - Switch to point rendering if only points where read
             - Separate Reader from OpenMesh reader (created a new integrated reader/writer independent of OpenMesh IO)
         - Info
             - Bugfix -> Dihedral angle for quad meshes computed wrong
             - Improved performance when floodfilling mesh in order to count connected components.
         - Light
             - Reduced brightness for default lights (Otherwise colors of objects are almost always white)
             - Added missing Layout to dialog
             - Added missing slot to react on fixed position checkbox change
             - Added functions to rotate and move lights
             - Fixed OpenGL handling of directional light sources
         - Move
             - Support backup plugin ( ->undo )
         - Selection Plugin
             - Added halfedge selection
             - BSplineSurface Knot Selection
             - BSplineSurface Selection
             - Render Selections for BSpline Curve and Surface
         - Smoother
             - Support backup plugin ( ->undo )
         - TextureControl
             - Added min_val parameter additionally to max_val
             - Added histogramm controls
             - Added reader for tga files
         - ViewControl
             - Support Splines
             - Support PolyLines
             - New Scripting Function to set per object drawMode directly
             - Fixed shader assignment
             - Preset buttons for basic viewing directions
     - <b>Documentation</b>
         - More docs for backup interface (incl. Tutorial)
         - Do not include svn, standard build dirs in docs
     - <b>Build System</b>
         - Do not include files starting with a dot when creating build lists
         - Copy qt_menu.nib on mac 
         - Raised qt warning level to 4.8 (4.7 tested on mac ... works)
         - Improved branding support (Including license text for installers)
         - When creating windows bundles, copy dlls required by plugins as well as core libraries (Creates independent bundle)
         - Fixed bug with integration of visual studio redistributable in installers 
         - Don't integrate OpenMesh libs and headers in installer package
         
      


- <b>OpenFlipper 1.0 (  06.23.2010 , 9691 RC7 )</b>
     - <b>Core</b>
         - Added Light source management
             - Added global nodes to handle light sources
             - Internal light handling can now be switched off via pluginfunctions (Used by TypeLight to take control over lights)
         - About Dialog
             - Show information about registered types
             - Show information about glu and glut
         - Process Manager
             - Replaced Mutex by semaphore for waiting that a thread starts (mutex unlock does not work across threads in qt 4.6)
             - Bugfix when using blocking mode for new threads
         - File Dialog
             - Fixed problems with keyboard interaction
         - Scripting
             - Fixed bug with scriptdir not set correctly on command line open
             - Made core.loadObject scriptable (automatically detects right file plugin to load object)
             - Fixed bug in scripted saveObject function where supported type was not correctly detected
             - Fixed bug when converting matrix and vector types between scripting and core
             - New function to add icon for view modes via script
         - Debugging
             - Windows debugging console for cerr and cout when building windows debug version
             - Increased stack frame size when doing debugging.
         - Bugfixes
             - Bugfix for segfault on exit
             - Bugfix for simple viewer and qt 4.6
         - BSP Tree
             - Faster generation
             - Tree, Ray intersection (find closest triangle hit by ray)
         - Plugin Handling
             - Parallel plugin loader (The plugins are preloaded in parallel. This gives a large speedup on startup)  
         - Added a global picking dialog to choose an object an algorithm should work on (OpenFlipper/publicWidgets)
         - Added Function to find the object to a node (Based on BaseObjectData)
         - Introduced update types to control partial uptdates (color,topology,geometry,...)
         - Added region picking functions ( render picking and get a region of the picking )
         - Removed unused update type
         - Sanity checks on startup (Check OpenGL capabilities,library versions)
     - <b>Object Types</b>
         - New Light Object
         - New Sphere Object
         - New BSpline Curve Object
         - New BSpline Surface Object
     - <b>Interfaces</b>
         - BackupInterface
             - Full redesign
             - Multiple restore stages (before, do restore, after restore
             - External restore and backup signals/slots
         - BaseInterface
             - Added a new parameter to updatedObject which defies the update type (e.g. Topology, Geometry, selection)
         - FileInterface
             - Support writing multiple objects into one file
         - TextureInterface
             - updated textureInterface to save textures (including multitextures)
         - PluginFunctions
             - New function to directly set lookAt
             - Improved error handling in some functions
         - ThreadInterface
             - Jobid is now passed to thread and the slots to identify sender
         - Types
             - Added a function to check if types exist
     - <b>UI</b>
         - Improved mouse interaction(translation with middle mouse button is done in world coordinates now)
         - Added Context Menus to view modes (Depending on view mode context menus can be hidden now)
         - Added rotation locking to context menu for view settings.
         - Options
             - Added functions to reset to factory settings
     - <b>ACG</b>
         - Bugfix for glstate functions returning fovy and aspect ratio
         - Added gluError handling function
         - New PICK_SPLINE Pickmode added
         - Draw Modes
             - Fixed bug with increment operator for drawmodes (shift in underlying bitset)
             - Added Cells Draw Mode
         - SceneGraph
             - Fixed picking multipass bug where picking failed when blending or other color changing enter and leave functions where present
         - GlutPrimitive Node
             - Fixed bounding box computation which was centered around origin and not around center of object
             - Now handles multiple primitives in one node( and different colors for each of the primitives)
             - Includes a rotation to set the orientation of the objects
             - DrawMode SOLID_FACES_COLORED supported
         - MaterialNode
             - Add extra class to store all Material Information
         - PointNode
             - Use Vec3d
             - Fixed bug in pointnode double was send to OpenGL as float 
         - LineNode
             - Use Vec3d
         - MeshNode2
             - Fixed bug where stripes are sometimes not updated correctly
             - Fixed pick face bug, where picking buffer was updated to late
             - Fixed bug with point only meshes, where face and edge buffers were accessed but not there.
             - When updating colors, invalidate face and edge buffers too ( otherwise no update is done)
             - Be more carefull and check if mesh properties used for redering vanished between render passes (e.g. textures after restore from backups)
         -QtTranslationManipulatorNode
             - Added possibility to add QVariants to the node
         - SceneGraphWidget
             - Added system to register a widget for new nodes without changing the widget code.
         - Geometry
             - Added more documentation to some algorithms
             - New functions 
                 - Distances to planes
                 - Projections (Point->Triangle, Point->Plane )
                 - Intersection Ray, Axis aligned Bounding Box
                 - Intersection Ray, triangle
             - Quaternions
                 - changed to template Vector function for rotate
                 - disabled matrix constructor
                 - added print_info function
             - Math_Tools/GeometryFunctions.hh integrated into ACG/Geometry/Algorithms.hh
     - <b>New Plugins</b>
         - TypeLight
             - New object type handling light sources
         - TypeSphele
             - Simple sphere type
         - FileLight
             - Support for reading and writing light information
         - Slice
             - Slicing plugin. Adds clipping planes to render only part of the scene
     - <b>Plugins</b>
         - All
             - Converted all plugins to new updatedObject formats
         - Color 
             - Fixed wrong interface definitioni causing plugins not visible in ui menus (Thanks to Sergei Migdalskiy for reporting this bug)
         - DataControl
             - Support for Light sources
             - Fixed Bug where delete key was not catched anymore in QT 4.6
         - FileOFF
             - non-manifold inputs are now duplicated and added as manifold meshes (These duplicates are marked in the OpenMesh status flag) 
         - FileOBJ
             - non-manifold inputs are now duplicated and added as manifold meshes (These duplicates are marked in the OpenMesh status flag) 
         - INI
             - Support Light sources
             - Write material data for all objects with materialnode
         - IsoTropic Remesher
             - Process indicator added
         - Info Plugin
             - Fixed unsigned int/int conversion problem resulting in wrong genus computation
             - Fixed crash when infobar is not setup and objects are created ( fixed by initializing it earlier)
             - Don't output dihedral angles for no or one face
         - Selection
             - Fixed bounding box update for selection sphere
             - emit updatedobject on color change
             - BSpline Selections
             - Scripting for controling current selection mode
         - TextureControl
             - Fixed bug when trying to create textures for lights (?!!)
             - Fixed wrong interface definitioni causing plugins not visible in ui menus (Thanks to Sergei Migdalskiy for reporting this bug)
             - Backup interface support (copy constructors for per object datas and restore functions)
         - Topology Plugin
             - Added missing updates
         - Info Plugin
             - Fixed unsigned int/int conversion problem resulting in wrong genus computation
             - Fixed crash when infobar is not setup and objects are created ( fixed by initializing it earlier)
             - Don't output dihedral angles for no or one face
         - ViewControl
             - Check if types exist before adding context menues (avoids warning)
         - VSI Plugin
             - Fix script generation for qt 4.6 ( in -> input rename as in causes a parse error )
             - Fixed draw errors on zooming
             - Additional Metadata for other algorithms
             - Fixed bug when converting matrix and vector types between scripting and core
     - <b>Documentation</b>
         - Refactored documentation files ( One documentation directory, build targets)
         - Internal help files (qhc) are now searched automatically ( no need to specify at build time anymore!)
         - Added docs for the glstate to describe internal projection matrix construction and parameters
         - Improved Documentation for the process manager
         - Improved building instructions
     - <b>Others</b>
         - Fixed some crashes with Visual Studio 2010 builds (Some may still be there)
     - <b>Build System</b>
         - Added FFTW Finder
         - Added Petsc finder
         - Added a GLUT finder
         - Fixed the library dir in GLEW finder
         - Make windows capable of choosing debug and release version of superlu
         - Build ui files from ObjectTypes (Required to register Widgets to the scenegraph dialog)
         - Branding support (looks in Toplevel/branding for image files)
         - Improved compiler flag settings for unix systems (easier setting of additional compiler flags)
         - Made RELWITHDEBINFO build type working. (Release mode with debug symbols)
         - Added doc target ( For core and plugins )
         - Added search engine to help
         - Tutorial for ViewModeInterface
         - Tutorial for TypeInterface
         - Tutorial for ThreadingInterface
         - Win
             - Fixup Bundle for Windows (Copies required DLLs to the build directory for easy execution)
         - Mac
             - Only build dmg not tgz on mac package on make package 
             - Fixed bug wher Mac bundles did not include the Qt Plugins (missing jpeg support/...)

- <b>OpenFlipper 1.0 RC6 ( 2010/03/17 , 8742 )</b>
     - <b>Core</b>
         - Splitted File Plugins ( Now there are type plugins loaded first to register types and the file plugins to load data)
         - Moved loading code from OpenMesh to file plugins to support multiple data types
         - Changed handling of ObjectSelectionChanged
         - Updated internal types handling (directly initialized by core now) 
         - Handle object tree integration for BaseObjects automatically (No longer necessary to call the setParent Function)
         - selectionChanged, visibilityChanged and objectPropertiesChanged are now handled internally. If One of these changes, the signals
               will be emitted by the core and passed to the plugins.
         - Basic implementation to copy per Object data along with copied object
         - Implemented drag and drop for files to OpenFlipper
         - Fixes for building with QT 4.6
         - Added a map to find objects in the objectTree (large speedup when handling multiple objects)
         - Internal counters for targets, sources and objects avoiding iterations across all objects ( another speedup)
     - <b>Plugin interface changes</b>
             - Changed PluginFunctions to return 0 object for identifier -1
             - Provide a QSettings interface to store per Plugin settings (called OpenFlipperSettings in globaloptions)
             - Core manages objectSelectionChanged, visibilityChanged and objectPropertiesChanged. (Do not emit these signals in your plugin anymore)
             - Added TypeInterface to register types from plugins (These plugins will be loaded first!)
             - Improvements to status bar interface (now accepts arbitrary widgets)
             - Renamed type idList to IdList
             - Process manager added
             - Updated updateObject functionality which can specify the type of updates now
     - <b>DataTypes</b> 
             - Added Plane Datatype and plugin
             - Rewrote the mesh rendering node (now handling textures for poly meshes)
     - <b>Internal changes</b>
             - Updated internal types handling (directly initialized by core now) 
     - <b>UI</b>
             - Updated cursors (new cursors for some modes)
             - Fixed hotspot of some cursors
             - Updated Icons 
                     - New Icons for Object Types (Group,Plane Icon)
                     - Icons for Datacontrol Context Menu
             - Updated About dialog to include used compiler for OpenFlipper
             - Improved logger widget with filtering option
     - <b>Scripting</b>
             - Implimented new datatype representation which is also available in scripting now
     - <b>GL Handling</b>
             - Function to get maximum texture units
     - <b>Plugins</b>
             - File Plugins
                     - New OBJ and OFF readers/writers which are independent of OpenMesh now
                     - OBJ groups
                     - Fixed errors reading OBJ files containing tabs
                     - Basic support for splines and spline surfaces in OBJ files
                     - Support for binary OFF files not following the specification ( without face color index )
             - Choose between opening meshes as triangle or poly mesh
                     - Added a default loading dialog
             - Plugin Info
                     - Shows number of primitives for open objects in the status bar
             - Plugin Datacontrol
                     - Some gui reworks
                     - Use new signal processing correctly
                     - RPC Function for grouping now returns the id of the group
                     - RPC Function to ungroup
             - Plugin Decimater
                     - Enable Normal deviation constraint by default
                     - Correctly set maximum for sliders
             - Plugin IsoTropic Remesher
                     - respect boundaries and edge features
             - Plugin Selection
                     - Create mesh from selection added
             - Plugin Move
                     - Added function to hide Manipulators
                     - Added some Icons
                     - Fixed iterator bug causing slow operations
             - Plugin ViewControl
                     - Don't set draw mode for all nodes
             - Plugin VSI
                     - New Plugin to create scripts via a visual scripting interface
     - <b>ACG</b>
             - Switched Bounding Box action to doubles
             - added Quaternion exponential, logarithm and from_rotation_matrix construction
             - Removed assertions in GLSL Shader Utils and replaced them by warnings (To support graphics cards without shaders)
             - Reimplementation of the drawmode which is now a separate class
     - <b>Build system</b>
             - Finder for libpre
             - Finder for libxml2
             - Updated OpenMesh Finder
             - New Option to enable stl vector checking
             - First tests to enable cross compiling
 
- <b>OpenFlipper 1.0 RC5 ( 10.26.2009, 7508 )</b>
  - <b>UI</b>
    - Updated the view modes
        - added toolbars to view modes
        - New widget for configuring view modes
    - First person navigation mode
        - Added basic implementation for first person navigation in the scene (Keys wasd + mouse)
  - <b>Rendering</b>
    - Support stereo mode for  Philips 42-inch autostereoscopic 3D Displays
  - <b>Plugin interface changes</b>
    - Toolbox interface (Initialize_toolbox is removed. please add the code from this function to initialize plugin and emit addToolbox there)
    - Removed global access header
  - <b>Plugins</b>
    - Plugin Info
        - Updated Info plugin (new user interface and more info about meshes)
    - Plugin Move
        - Only scale manipulators if move plugin is active
        - Fixed normal update in move plugin
        - Fixed multiple connections in move plugin resulting in slow movement
    - Plugin Datacontrol
        - Fixed double entries in datacontrol
    - <b>Internal changes</b>
    - Changed ordering of main scenegraph nodes (and added pluginfunctions to add new nodes)
  - <b>Documentation</b>
    - refactor the documentation
    - adjust to changes
  - <b>Build system</b>
    - Add cmake configurations for object types
    - parse and integrate Qr resource files for plugins
    - Added lib subdirectory which is automatically build when a cmakelists file exists
  - <b>General bugfixes</b>
    - Fixed bug where rotation center and scene center interfered
    - Fixed translation in plane object
  - <b>Internal libs</b>
     - Updated OpenMesh to RC4 

- <b>OpenFlipper 1.0 RC4 ( 09.29.2009 ,7205)</b>
     - Isotropic Remesher Plugin
     - Latest OpenMesh Version
     - Bugfixes


 - <b>OpenFlipper 1.0 RC3 ( 07.10.2009)</b>
     - Switch to cmake
     - Creation of Windows and MacOS Installer files
     - Bugfixes

- <b>OpenFlipper 1.0 RC2 ( 04.19.2009)</b>
  - Cmake support added .. needs more testing

- <b>OpenFlipper 1.0 RC1 ( 03.27.2009 )</b>
  - Initial Release
*/