Renamed functions in head, added ability to change body yaw.
Merge branch 'master' of https://github.com/worklist/hifi
Merge remote-tracking branch 'upstream/master'
Merge remote-tracking branch 'upstream/master'
Fix to add local variable underscores to head get/add body yaw functions.
Merge remote-tracking branch 'upstream/master'
Merge pull request #61 from ZappoMan/view_frustum_work

Adding testOrientationClass() to run unit tests on the orientation class
Merge remote-tracking branch 'upstream/master'
fix mutex movement when resizing AgentList vector
changed Ori constructor to include setIdentity
Merge pull request #62 from birarda/master

fixing mutex movement when re-sizing AgentList vector
Merge pull request #63 from Ventrella/master

fixed orientation contrstuctor
added back the av position
Merge remote-tracking branch 'upstream/master'
fix reference to resources directory on OS X
Merge pull request #64 from birarda/master

fix reference to resources directory via switchToResourcesParentIfRequired
added quaternions to avatar body and bone structure (but not using them yet)
added "_" to several members in Head class, and cleaned up some code formatting (housecleaning :)
Merge remote-tracking branch 'upstream/master'
Merge pull request #67 from Ventrella/master

preparations and housecleaning