Add OVR distortion to UI, for the vertex shader.
Transpose deferred shading distortion to center.
Add better log support.
Prepare for having a 3D GUI for Oculus.
Use a perspective projection instead of orthogonal projection.
Move the GUI into the world.
Initialize FoV for stereoscopic view of GUI.
Allow configuring debugging to log file.
Debug message redirect to log file.
Render GUI at 5 blocks distance for OVR.
Automatically scale OVER GUI to get proper resolution, no matter what disatnce.