Enable high resolution for OS X.
Dimension fixes for Retina displays.
Merge branch 'master' of https://github.com/highfidelity/hifi
Mouse coordinate fix.
Fix for mouse events.
Merge branch 'master' of https://github.com/highfidelity/hifi
Merge pull request #3366 from ey6es/master

The long-requested full "Retina" resolution fix for OS X.