Merge branch 'master' into Drop_QWT5_and_more_qt4_parts

3 jobs for Drop_QWT5_and_more_qt4_parts in 49 minutes and 38 seconds (queued for 1 second)
Status Job ID Name Coverage
  Test
passed #12486
MultiThreads Linux
clang-c++11-Qt5

00:09:01

passed #12487
MultiThreads Linux
cppcheck

00:36:37

passed #12485
Linux
gcc-c++11-Qt5

00:03:59