Merge branch 'c++11_matrix' into 'master'

C++11 matrix

Added a modern (C++11) 3x3 matrix class and a closest point in triangle query that builds on top of it.

See merge request !148
6 jobs for master in 57 minutes and 37 seconds (queued for 1 second)
Status Name Job ID Coverage
  Test
passed clang-c++11-Qt5 #14227
Linux MultiThreads

00:08:58

passed cppcheck #14228
Linux MultiThreads

00:37:01

passed gcc-c++11-Qt5 #14226
Linux

00:03:30

passed VS2013-Qt-5.5.1-x64 #14231
VS2013 Qt551

00:19:55

passed VS2015-Qt-5.6.0-x32 #14230
VS2015 Qt56

00:23:39

passed VS2015-Qt-5.6.0-x64 #14229
VS2015 Qt56

00:22:38