- Reorganized Xcode project
- Added missionpack support to Xcode project
- Incorporated changes from MaddTheSane for Apple Silicon support https://github.com/maddthesane/ioq3
- Built SDL 2.0.14 for Apple Siicon, added to existing SDL dylib
- Built SDLMain for Apple Silicon, added to existing libSDL2main.a
https://bugzilla.icculus.org/show_bug.cgi?id=5986
Created make-macosx-app.sh to handle manually creating an app bundle from other scripts.
Updated make-macosx.sh to create bundle with make-macosx-app.sh (TODO: make-macosx-ub.sh support).
Updated Makefile to create bundle with make-macosx-app.sh and zip up the resulting ioquake3.app if ARCHIVE is defined.