Merge branch 'status-hidden' into 'master'

Add "hidden" property to status.

See merge request !74
9 jobs for master in 6 minutes and 7 seconds (queued for 1 second)
latest
Status Job ID Name Coverage
  Test
passed #81088
VS2015
VS2015-32-bit

00:01:14

passed #81087
VS2015
VS2015-64-bit

00:01:27

passed #81086
VS2017
VS2017-32-bit

00:01:19

passed #81085
VS2015
VS2017-64-bit

00:01:28

passed #81082
Linux
clang-c++11

00:04:11

passed #81084
Linux
cppcheck

00:06:07

passed #81089
Linux
doc

00:00:27

passed #81081
Linux
gcc-c++11

00:04:02

passed #81083
Apple
macos-c++11

00:01:49