First round of settings serialization.  Setup an API to load and save different settings to the avatar data file.
Initial serialized settings:
Gyro look
Mouse look
Transmitter drives
Voxel rendering
Voxel textures
Star rendering
Atmosphere rendering
Avatar rendering
Oculus rift mode
Render stats
Frame stats
Look at vectors
Logging
Frustum debugging
View frustum offset
Camera frustum