add linking of LibOVR to interface CMakeLists.txt
initial setup to connect to oculus and grab sensors
add getters for yaw, pitch and roll to the OculusManager class
expand the OculusManager to return euler angles
drive body yaw and render pitch with oculus when connected
Merge remote-tracking branch 'upstream/master' into oculus
have the oculus drive the body yaw, head pitch, and head roll
zero the yaw on oculus connect, set head yaw instead of body
remove a useless comment
Merge remote-tracking branch 'upstream/master' into oculus
resolve conflicts on merge with upstream master
Merge pull request #279 from birarda/oculus

initial setup for oculus pitch, yaw and roll