remove more #else, GLQUAKE, QUAKE2; gcc warnings
amd64 "fixes": some casts and pr_strings shit
remove #if, #elif, #else; remove some cpp stuff
add mkfile, kluge build with p9p
shuffle files around a bit
Just kind of shoving the QuakeWorld QuakeC source in here.
The Quake sources as originally release under the GPL license on December 21, 1999