More cppcheck warnings

IsotropicRemesherT.hh

@@ -57,7 +57,7 @@ class IsotropicRemesher{
 
 public:
 
-  IsotropicRemesher(ProgressEmitter* _prgEmt = NULL) : prgEmt_(_prgEmt)  {};
+  explicit IsotropicRemesher(ProgressEmitter* _prgEmt = NULL) : prgEmt_(_prgEmt)  {};
   ~IsotropicRemesher() {};
 
   void remesh( MeshT& _mesh, const double _targetEdgeLength );

IsotropicRemesherToolbox.hh

@@ -66,7 +66,7 @@ class IsotropicRemesherToolBox : public QWidget, public Ui::IsotropicRemesherToo
     void showing();
 
   public:
-    IsotropicRemesherToolBox(QWidget *parent = 0);
+    explicit IsotropicRemesherToolBox(QWidget *parent = 0);
 
   protected:
     void showEvent ( QShowEvent * _event );

ProgressEmitter.hh

@@ -62,7 +62,7 @@ class ProgressEmitter : public QObject
     void changeDescription(QString _jobId, QString _description);
   
   public:
-    ProgressEmitter(QString _jobId) : jobId_(_jobId) {}
+    explicit ProgressEmitter(QString _jobId) : jobId_(_jobId) {}
     
     void sendProgressSignal(double _percent) {
       emit signalJobState(jobId_, (int)_percent);