- Fixed some more udmf save/load problems
- Fixed typo resulting in all sectors getting an id of 0
- Undo now works for deleting things in 3d mode
- Objects behind the camera are now rendered when looking up/down

git-svn-id: http://mancubus.net/svn/hosted/slade/trunk@1407 1ddb354d-3e0c-0410-833a-d70222086f97
- Updated VC++ 2005 project file.
- Added a simple FontManager class which handles the fonts. This also allows to reduce some of the rampant copypasta in Drawing.cpp. SFML 1.x and FTGL code not tested yet.

git-svn-id: http://mancubus.net/svn/hosted/slade/trunk@1408 1ddb354d-3e0c-0410-833a-d70222086f97