Merge branch 'doc_update' into 'master'

Updated documentation of BaseKernel's property functions to hint at PropertyManager.



See merge request !90
7 jobs for master in 21 minutes and 34 seconds (queued for 1 second)
Status Job ID Name Coverage
  Test
passed #10855
Linux
clang-c++11

00:21:34

passed #10857
Linux
clang-c++98

00:14:34

passed #10860
Linux
cppcheck

00:00:28

passed #10854
Linux
gcc-c++11

00:04:36

passed #10856
Linux
gcc-c++98

00:04:08

passed #10858
Apple
macos-c++11

00:16:22

passed #10859
Apple
macos-c++98

00:15:25