- assimp_cmd writes vertex colors in 'Colors' elements now.
- assimp_cmd writes 'set=' attribute for UVs and vertex colors.
- Adding test files for the awesome new LWO capabilities.
git-svn-id: https://assimp.svn.sourceforge.net/svnroot/assimp/trunk@396 67173fc5-114c-0410-ac8e-9d2fd5bffc1f