master
bump up openvr to 1.0.10 for Linux and Mac
Add preliminary support for VR/OpenVR for HTC Vive and Oculus Rift, (Windows-only first, later Linux and OSX) Use premake to build, use --enable_openvr flag
bump up ThirdPartyLibs/openvr to latest 1.0.10 from https://github.com/ValveSoftware/openvr (Windows only, Linux/Mac will follow in next commit)