- update assimp-net and fix compile errors caused by API changes therein.
- GraphicsSettings: implement texture resolution bias
- pull fix for material properties from assimp-net svn
- fix issue in assimp-net that caused animated files to fail with null ref access.
Merge pull request #1 from acgessler/assimp-net-incoming

- update assimp-net to latest svn trunk with an additional fix for reading animated files.