Both:

  added cl_maxfps cvar
  added code to Cvar_Set to make sure coop and deathmatch cant both be true at once
  added in_use button and a -nouse switch
  added scr_showfps cvar
  changed fixed16_t to int
  changed NUM_SAFE_ARGVS from 7 to 4
  changed td_starttime from float to double
  changed vec_t to float
  cleaned up mathlib 
  cleaned up demo code
  fixed most warnings
  fixed & bug in Host_WriteConfiguration that should be &&
  optimized ent->model->flags handling in CL_RelinkEntities
  recoded the function CenterWindow to take 3 params instead of 4 and optimized it
  recoded the function Com_Init to not take a param (it never used it)
  recoded the function Sbar_IntermissionOverlay to draw the scoreboard centered in the window
  removed all #if 0 code
  removed all #if 1 code
  removed all #ifdef FPS_20 code
  removed all #ifdef GLTEST code
  removed all #ifdef INCLUDELIBS code
  removed all #ifdef QUAKE2 code
  removed all #ifndef QUAKE_GAME code
  removed all dinput code
  removed all joystick code
  removed all null modem and ipx network code
  removed all vcr code
  removed the function IN_Commands
  removed the function SetPal
  removed the startup dialog window
  renamed progsdefs.h to progsdefs.q1
  speed up lightning beam code

WinQuake:

  changed fixed8_t to int
  recoded the function Draw_ConsoleBackground to not hack in the version number into the background image

GLQuake:

  cleaned up the multitexture init mess
  made it use glBindTexture properly
  major cleaning of whole gl_vidnt.c (to much to list)
  recoded the function Draw_Init to not hack in the version number into the background image
  recoded the function GL_LoadTexture to take a 7:th param (int byteperpixel)
  removed 8bit texture path
  removed cvar gl_affinemodels
  removed cvar gl_keeptjunctions
  removed cvar gl_reporttjunctions
  removed cvar gl_smoothmodels
  removed cvar r_drawentities
  removed cvar r_drawworld
  removed cvar r_lightmap
  removed cvar r_fullbright
  removed envmap stuff
  removed mirrors
  removed scrap system
  removed the function Draw_DebugChar
  removed the making of .ms2
