Merge branch 'propmgr' into 'master'

Propmgr

Added some more convenience to the PropertyManager class.

See merge request !85
7 jobs for master in 21 minutes and 29 seconds (queued for 3 seconds)
Status Name Job ID Coverage
  Test
passed clang-c++11 #9873
Linux

00:21:28

passed clang-c++98 #9875
Linux

00:16:17

passed cppcheck #9878
Linux

00:00:29

passed gcc-c++11 #9872
Linux

00:05:11

passed gcc-c++98 #9874
Linux

00:04:41

passed macos-c++11 #9876
Apple

00:16:28

passed macos-c++98 #9877
Apple

00:15:23