Merge branch 'update_ovm' into 'master'

update OpenVolumeMesh



See merge request !177
6 jobs for master in 69 minutes and 48 seconds (queued for 1 second)
Status Name Job ID Coverage
  Test
passed clang-c++11-Qt5 #14033
Linux MultiThreads

00:08:38

passed cppcheck #14034
Linux MultiThreads

00:35:30

passed gcc-c++11-Qt5 #14032
Linux

00:03:46

passed VS2013-Qt-5.5.1-x64 #14037
VS2013 Qt551

00:15:12

passed VS2015-Qt-5.6.0-x32 #14036
VS2015 Qt56

00:21:47

passed VS2015-Qt-5.6.0-x64 #14035
VS2015 Qt56

00:19:03