Special frustum handling for mirrored mode.
Merge branch 'master' of https://github.com/worklist/hifi
Merge pull request #907 from birarda/assignment

doxygen documenation for Assignment classes
More focal length bits.
Merge branch 'master' of https://github.com/worklist/hifi
I believe this should fix the offset in mirror mode.
Fix for off-by-one-frame error.
Bump up the offset scale for Faceshift.
Simplification.
Fix for off-axis ambient occlusion.
Merge pull request #909 from ey6es/master

Fixes for off-axis projection: handle offset frusta correctly in mirror mode, use an explicit focal length rather than near clip.
Merge pull request #910 from birarda/assignment

more feature additions to assignment
Merge pull request #911 from birarda/assignment

change assignment-client forks to have a parent monitor