starting a rework of Head renderer
Merge remote-tracking branch 'upstream/master'
operating on head. patient under anesthesia
Merge remote-tracking branch 'upstream/master'
cleaned up a lot of pitch/yaw/roll confusion in Head and made new versions of eyes, eyebrows and mouth (Head still needs work)
Merge remote-tracking branch 'upstream/master'
cleaned up formatting stuff
Merge remote-tracking branch 'upstream/master'
Merge pull request #369 from Ventrella/master

cleaned up pitch/yaw/roll confusion in Head