* Rewrote J3M loader * AssetManager.unregisterLocator() must be implemented * Added support for material default vars * Apply NVIDIA spot light fix for TerrainLighting git-svn-id: https://jmonkeyengine.googlecode.com/svn/trunk@8024 75d07b2b-3a1a-0410-a2c5-0572b91ccdca