Use reflection to load fields from the configuration
file instead of writing them out manually (saves typing,
reduces chance of errors)
Change in-game settings page to be more compact.
Add support for the Oculus Rift. Note: this requires a wrapper
DLL around the SDK, which is provided separately at
https://github.com/FeepingCreature/OculusOVR_PosRotWrapper
Simplify camera calculation, include offset fields.