not rely on sdl-config on OSX Framework builds, define new SDL_FRAMEWORK
and NO_SDL_CONFIG preprocessor macros to indicate that and include SDL.h
with the "SDL" subdirectory name included. Add new libmad and ogg/vorbis
headers and static and dynamic libraries for macosx. Xcode project files
need further updating.
git-svn-id: svn://svn.code.sf.net/p/quakespasm/code/trunk/quakespasm@699 af15c1b1-3010-417e-b628-4374ebc0bcbd
