bmodel rotation physics now work

bmodel rotation physics now work
new vid_glx.c (contributed by zinx)
removed DPNEHAHRA engine titling
fixed some lighthalf, fog, and sky related bugs
removed some 3D card hacks
merged GL_Init code for all targets (note: vid_glx.c and vid_3dfxsvga.c may be broken)
split sprite code out in gl_sprites.c
rearranged palette management code
removed all traces of 8bit upload support for now (may be added back)
halved memory usage (although this prevents renderer restarting for the moment)
implemented r_texturestats command
removed old texture upload code
rewrote use of host_parms
rewrote some code relating to host_basepal
bigendian support in pcx loading
changed external texture character equivilant for * from + to # to avoid conflicts with animating textures
removed cruft here and there
force all textures to lowercase to mask potentially silly wad lump names in maps
new crosshairs
more stuff is extern in includes
some general cleanup of the MOVETYPE_PUSH code
rewrote portions of vid_wgl.c
V_UpdatePalette renamed to V_UpdateBlends
removed starting dialog code in wgl
made SV_RecursiveHullCheck accessable in world.h

git-svn-id: svn://svn.icculus.org/twilight/trunk/darkplaces@119 d7cf8633-e32d-0410-b094-e92efae38249