Small update (v3, Dec 26)

While considering how to best design and add easy mode and further door UI upgrades, here's a smaller update. [h3]Environment maps[/h3] [list] [*] Added a high quality setting in graphics options that uses anti-aliasing to generate the environment maps (NOTE: If you experience crashes on older hardware, please report them and try disabling the feature in Options/Graphics by setting Env. map - high quality to Off!) [*] Made some lamps visible in environment maps [*] Fixed the appearance of the Z7R cubicle room wall in its environment map [/list] [h3]Various[/h3] [list] [*] Moved the "Door - go through fast" tutorial to the end of the list [*] Improved NPC door vision code to consider the visibility of the previous door position for state changes [*] Fixed enemy placement while in chair during the mission failure screen [*] Fixed enemy eye position while in chair [*] Fixed a delay in player rotation update after loading a save point [/list]