Most of the way towards basic Oculus support.
More work on Oculus integration; added some notes to explain the source of the
magic numbers.
Merge branch 'master' of https://github.com/worklist/hifi

Conflicts:
	interface/src/main.cpp
Final bits for Oculus support.  Works!
Restored constant value added another reference to the SDK docs.
Use the right type here; Xcode complains about it.
Need to disable blending when we render the distorted screen quad.
Merge branch 'master' of https://github.com/worklist/hifi

Conflicts:
	interface/src/main.cpp
Rather than a command line parameter, provide a menu option for switching
to/from fullscreen mode.
Merge branch 'master' of https://github.com/worklist/hifi

Conflicts:
	interface/src/Avatar.cpp
	interface/src/Avatar.h
	interface/src/main.cpp
Merge pull request #182 from ey6es/master

Support for rendering to Oculus rift.