Latest work on ViewFrustum
- added support for specifying lens attributes (fov, near, far, ratio)
- changed constructor and calculate methods to be separate
- coding standard cleanup
Tweaks to Camera class
- added lens attributes
- coding standard cleanup
latest View Frustum work
Merge branch 'master' of https://github.com/worklist/hifi into view_frustum_work

Conflicts:
	interface/src/Camera.cpp
	interface/src/Camera.h
	interface/src/main.cpp
a little hackery when in view frustum mode so we can see the frustum without OpenGL clipping us
cleaning up of whacky currentCamera experiment
temp fix to setPitch() problem. Removed some debug printfs. Fixed menu flicker bug.
Merge pull request #49 from ZappoMan/view_frustum_work

Latest view frustum work