update projects to Xcode 4.6.2 and .gitignore
upgrade q3map Xcode project to 4.6.2, added q3asm Xcode project
enable CGDisableCoalescedUpdates for unrestricted frame rates, re-enable in_disableOSMouseScaling, clean up some warnings & eliminate deprecated code
fix cinematic playback in custom/widescreen display modes
finish cleaning up all warnings
clean up & delete some old & unreferenced macosx & windows (SDK binary/distribution related) files
new default sound driver for Mac OS X using AUGraph instead of CoreAudio. cleaner implementation and has the added benefit of handling sample rate and device changes while the game is running.