JM: Workaround for SDL keyboard glitching (mouse wheel was causing havoc again)
JM: Build fix for OSX on SDL
JM: Remove residual Allegro from editor
JM: Fix 15bpp blenders
JM: Fix 15bpp psychedelia
JM: Initial work on 16bpp blenders
JM: Game and editor can now be used without Allegro
JM: Editor is nearly free of Allegro dependencies
JM: Improvements to airbase on map 2
JM: Remove more Allegro dependencies