fixes upside down aspect ratio
numerous starfield fixes
Merge branch 'master' of git://github.com/worklist/hifi into 19188

Conflicts:
	interface/src/starfield/renderer/Renderer.h
Merge branch 'master' of git://github.com/worklist/hifi into 19188
add a new AudioInjector class that can be leveraged from eve and injector
added collision code for avatar (not operational yet). and some cleanup.
Merge remote-tracking branch 'upstream/master'
hook up the injector to the new AudioInjector class
replace injector with TARGET_NAME in CMakeLists
Merge remote-tracking branch 'upstream/master'
changes from Philip's push - I assume
Added 'gyro look' option to have gyro drive your render yaw, added render menu.
Merge remote-tracking branch 'upstream/master'
intial version of eve that says WALL-E every so often
Merge remote-tracking branch 'upstream/master'
some preparation for adding hand state to avatar interactions
fix pointer var declarations, AudioInjector constructor in eve main
fix constructors in eve main and injector main
fix pointer var declarations in AudioInjector class
add const to injectAudio method