Add some tvout cg presets that use the NTSC shader, move tvout presets to their own directories
Delete cgps that were moved
Add a couple of presets for GBA
Change half types to float in 5xbr-retro.cg
Rename gba presets to gameboy as per a user request
Merge pull request #28 from Monroe88/master

Add some cgps, fix 5xbr-retro.cg for Nvidia