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)
Status Name Job ID Coverage
  Test
passed clang-c++11 #81082
Linux

00:04:11

passed cppcheck #81084
Linux

00:06:07

passed doc #81089
Linux

00:00:27

passed gcc-c++11 #81081
Linux

00:04:02

passed macos-c++11 #81083
Apple

00:01:49

passed VS2015-32-bit #81088
VS2015

00:01:14

passed VS2015-64-bit #81087
VS2015

00:01:27

passed VS2017-32-bit #81086
VS2017

00:01:19

passed VS2017-64-bit #81085
VS2015

00:01:28