Have ui_test cmd in missionpack ui return qtrue
Fix checking if MP dylibs exist in make-macosx-app.sh
Merge remote-tracking branch 'ioquake3/master'

Conflicts:
	code/ui/ui_atoms.c
Rename client, server, renderers, and vms

Have client/server use _ instead of dot before arch (spearmint_x86.exe)
Rename renderers to avoid conflict with ioq3 (mint-renderer-*_x86.dll)
Rename VMs to avoid conflicts with other games (mint-cgame_x86.dll, vm/mint-cgame.qvm)

Remove some references to UI VM from Makefile, NSIS, and make-macosx-app.sh.