Visual quality update (234-19fba2e)

This update improves visual quality, especially so on Oculus Rift but also on other VR headsets and on the regular displays when viewing it under dark conditions. [h1]Changelog:[/h1] [list] [*]Visual quality improvements across the board, most noticeable in VR or on the screen in a dimly lit room. [*]Improved error logging. [/list] Also I'll now be posting version IDs in updates as reported in "about" so that you can check if you are running the version mentioned in update.