Integrating Rift Libs in build
Merge remote-tracking branch 'refs/remotes/origin/jriegel/NewWinBuild' into jriegel/Rift
Merge branch 'refs/heads/master' into jriegel/Rift
Make a new Build option for building VR support and make FindRift using the 64bit libs
porting the offscreen rendering version to SDK 4.2
FreeCAD-VR: command integration
FreeCAD-VR: First succesfull render on the Rift!
FreeCAD-VR: Handling the safety warning
FreeCAD-VR: Some fixes...
FreeCAD-VR: some fixes on FrameBuffer rendering portion
FreeCAD-VR: Separating FreeCAD and Coin/Rift stuff
FreeCAD-VR: Render the FreeCAD scene graph
FreeCAD-VR: Some fixes
FreeCAD-VR: Remove Tabs and add orientation for viewer position
FreeCAD-VR: Upright position and remembering render window position
FreeCAD-VR: Positional light and fix in camera positioning
FreeCAD-VR: Proper light handling
FreeCAD-VR: fix Z direction
FreeCAD-VR: Small cleanups
Sketcher fixes: Symmetry arrows properly scaled, fixed icon in constraint taskbar list contextual menu