- Fixed some 3d mode crashes
- Implemented basic DECORATE parsing

git-svn-id: http://mancubus.net/svn/hosted/slade/trunk@1387 1ddb354d-3e0c-0410-833a-d70222086f97
- Decorate things now use group default properties
- If a sprite isn't specifically defined for a decorate thing, its first spawn frame is used


git-svn-id: http://mancubus.net/svn/hosted/slade/trunk@1388 1ddb354d-3e0c-0410-833a-d70222086f97