- Triangulation step now automatically drops polygons with an area of zero.
- Add debug preprocessor switch to dump all triangulations to a separate file.
- Refactoring, collect some polygon related functions in a separate header, PolyTools.h
git-svn-id: https://assimp.svn.sourceforge.net/svnroot/assimp/trunk@1002 67173fc5-114c-0410-ac8e-9d2fd5bffc1f