- added all known maps requiring inverted sprite sorting to compatibility.txt.

- added compatibility option to invert sprite sorting. Apparently Doom.exe
  originally sorted them differently than most source port and on some maps
  which depends on this it doesn't look right (e.g. Strain MAP13)


SVN r2031 (trunk)

src/compatibility.cpp

@@ -105,6 +105,7 @@ static FCompatOption Options[] =
 	{ "mbfmonstermove",			COMPATF_MBFMONSTERMOVE, 0 },
 	{ "corpsegibs",				COMPATF_CORPSEGIBS, 0 },
 	{ "noblockfriends",			COMPATF_NOBLOCKFRIENDS, 0 },
+	{ "spritesort",				COMPATF_SPRITESORT, 0 },
 	{ NULL, 0, 0 }
 };