- all HMD specific configuration to be done through the quest_default config files
- made sure that some of the video cvars aren't declared as CVAR_ROM
Bringing all the changes done (mostly by baggyg) in the OVRPassToVR branch bringing over the major FP related changes to master.
Please refer to that branch for the individual changes that have all been brought over in this single commit.
Co-Authored-By: Grant Bagwell <general@grantbagwell.co.uk>