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 Name Job ID Coverage
  Test
passed clang-c++11-Qt5 #12486
Linux MultiThreads

00:09:01

passed cppcheck #12487
Linux MultiThreads

00:36:37

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

00:03:59