Changed stats.log to save to savegamedir instead of the Quake2 root folder.
Renamed cvars menu_sensitivity, menu_rotate, and menu_alpha to ui_sensitivity, ui_item_rotate, and ui_background_alpha.
Removed some unused cvars.
Added CVAR_SAVE_IGNORE flag to "game" and "gamedir" cvars.
Added descriptions for most cvars.
Added dumpcvars command to output a list of cvars with their descriptions to cvarlist.txt.
Added dynamic updating of Anisotropic filtering.
Added Cvar_IsModified() function.
Refactored screen and HUD scaling functions.
Added text size to string drawing functions.
Added textSize field to menu items for submenu headers.
Fixed compiling on MSVC6.
Renamed TextColor() and CL_StringSetParams in cl_string.c to CL_TextColor() and CL_StringSetParams().
Changed SetWindowLong() and GetWindowLong() calls in vid_dll.c to SetWindowLongPtr() and GetWindowLongPtr().
Added z-pass shadows (Doom3 GPL method) when r_shadow_zfail is set to 0.
Removed direct writes to value field of r_lightlevel cvar.
Replaced Com_sprintf() calls in console drawing that fed a buffer into itself with Q_strncatz().
Added format code tracking to cl_console.c->Con_Print() to properly handle word wraps with text colors and bold/shadow/italic formatting.
Removed console ormask for player chat in CL_ParseServerMessage(), as the color formatting codes make it redundant.
