- Clean up AssetDataObject / SpatialAssetDataObject / AssetData, add javadoc - Add AssetDataPropertyChangeListener interface and functionality - Improve storage of ORIGINAL_XXX data - Add SpatialUtil git-svn-id: https://jmonkeyengine.googlecode.com/svn/trunk@10303 75d07b2b-3a1a-0410-a2c5-0572b91ccdca