fix for MSVC build (OpenMP parallelized for-loop does not accept size_t variable)
Fix ununsed parameters warnings
Fix deprecated functions warnings
Merge pull request #755 from VictorLamoine/master

Warning fixes
Fix typo: broken link in Qt tutorial
Merge pull request #759 from VictorLamoine/master

Fix typo: broken link in Qt tutorial
Fix #667: Imrpove PCL visualizer help
Merge pull request #761 from VictorLamoine/master

Fix #667: Imrpove PCL visualizer help
Prevent undefined behaviour when drawing axis
Removement of an obsolete OpenCV dependency
Merge pull request #763 from mdkus/master

Removement of an obsolete OpenCV dependency
Merge pull request #762 from VictorLamoine/master

Prevent undefined behaviour when drawing axis
Merge pull request #753 from magro11/master

fix for MSVC build