Enable lookat vectors by default and make them glow.
Fixed glow/ambient occlusion with Oculus.
Merge branch 'master' of https://github.com/worklist/hifi

Conflicts:
	interface/src/Application.cpp
Merge pull request #879 from ey6es/master

Fix for glow/ambient occlusion with Oculus, made lookat vectors glow and enabled by default.