- separate jar files for engine components
- resolve dependencies between code parts
- remove Nifty dependency from Cinematics
- remove Physics dependency from TerrainGrid
- add public accessors to Natives Extraction
- remove RenderHint serialization from networking
git-svn-id: https://jmonkeyengine.googlecode.com/svn/trunk@8839 75d07b2b-3a1a-0410-a2c5-0572b91ccdca