- Improved speed when drawing 2d textured flats
- Fixed certain flags/triggers showing up as blank
- Started on boom generalised line special stuff
- More work on undo/redo for map editor

git-svn-id: http://mancubus.net/svn/hosted/slade/trunk@1384 1ddb354d-3e0c-0410-833a-d70222086f97
- Added log_verbosity cvar to control log message verbosity (1=normal, higher=more verbosity (for debugging etc))
- Mostly finished undo/redo for map editor, including 3d mode (just needs more testing, probably buggy)
- Added 'debug' console command to toggle various debugging stuff
- Console commands can be hidden from cmdlist

git-svn-id: http://mancubus.net/svn/hosted/slade/trunk@1385 1ddb354d-3e0c-0410-833a-d70222086f97