-Remove the r_detail client CVAR for now in an effort to simplify the renderer internals.
-Remove drawspan_t::colsize since it is always 1 now (no detailxshift).

git-svn-id: http://odamex.net/svn/root/branches/texmanager@4438 b0bcef46-2027-0410-bd56-ab726e9a1d04
-Move the check that determines if the player's gun sprite should be drawn to the top of R_DrawPSprite.

git-svn-id: http://odamex.net/svn/root/branches/texmanager@4439 b0bcef46-2027-0410-bd56-ab726e9a1d04
-Linearly interpolate between table entries when using the finecosine30 and finesine30 LUTs to calculate viewcos and viewsin.

git-svn-id: http://odamex.net/svn/root/branches/texmanager@4441 b0bcef46-2027-0410-bd56-ab726e9a1d04