Switch from C99 to Gnu99 to make editor build work
Fix wrong length passed to PHYSFSX_fgets
Fix ancient bug that read Segments[-2].verts during endlevel sequence
Fix automap save bug in large levels
Fix light save bug in large levels
Fix bug that last object is skipped when caching OGL textures
Remove unused function pcx_get_dimensions
Remove unused 2d/scale.c
Remove unused include/checker.h
Remove unused include/d1x.xpm
Remove unused include/i86.h
Remove unused d2x-rebirth/ui/number.c
Remove unused include/descent.xpm
Remove unused d2x-rebirth/ui/barbox.c
Remove unused editor/macro.c
Remove unused include/pa_enabl.h
Remove various unused misc files