Orbit around voxel center, limit hover distance.
Merge branch 'master' of https://github.com/worklist/hifi
Fix (hopefully) for warning on Windows build.
Merge pull request #1511 from ey6es/master

Fix (hopefully) for Windows warning, orbit around hover voxel center (not corner).
Merge branch 'master' of git://github.com/worklist/hifi into windows_build
Merge branch 'windows_build' of https://github.com/ZappoMan/hifi into windows_build