fix mirror ratio on retina
Merge branch 'master' of https://github.com/highfidelity/hifi into 20143
Merge pull request #3666 from samcake/temp1

Unlock the framerate limitation by default and more settings
Merge pull request #3665 from stojce/20143

CR for Job #20143 - BUG:  Rearview mirror rendering at wrong size