This fixes a hack for resetting the graphics scale to x1 when starting games that have a large screen size. The SDL graphics manager should now scale back to x1 without changing the current scaler in use, as well as the OpenGL graphics manager.
svn-id: r51492
- Removed AudioCDManager Singleton, and changed code for using AudioCDManager in OSystem.
- Added initialization code for new AudioCDManager in BaseBackend and OSystem_SDL.
svn-id: r49548
- Update BaseBackend and DC port to properly implement OSystem::fillScreen (now only PalmOS has to be updated).
- Update all client code which relied on OSystem::clearScreen so far.
svn-id: r38304
