What changed in EDuke32, build by build

Revert the automapping changes from r5207. Using engine-side code

Make quitting by closing the window, now done via CON_Quit,

Activate engine compatibility

Clamp tsprz of Bouncing Betty mines to their floorz if beneath the floor

Add Redux's workaround for glitchy fist HUD sprites in widescreen

Fix mirrors in Polymost

Fix crash issues when Track sprites are set up incorrectly

Sanitize all uses of wall.nextwall to prevent OOBs

Copy the sln==1 GetUpperLowerSector case from the editor to the game

Fix NORM_(SPRITE|WALL|SECTOR) macros to use MAX$1 instead of ARRAY_SIZE, which would fail due to the structs not being statically allocated.

Parallaxed skies.

Since sprite->filler is now fogpal, modify the CTF code that uses it to use a new variable in SW's USER struct instead.

setsprite, setspritez, getzrange, clipmove, pushmove, neartag, dragpoint, screencapture, md_tilehasmodel, preparemirror, saveboard, loadboard, pos