Add btManifoldPoint#getUserValue/setUserValue
Add GdxCollisionObjectBridge
Add GdxCollisionObjectBridge #2
Add ContactAddedListener, ContactProcessedListener and ContactDestroyedListener.
Swig generated files
Add ContactCallbackTest
Add contact callback filter
Swig generated files
Update ContactCallbackTest
Change return type
Add compilerSuffix to the build files
Add pooling of common used objects.
Swig generated files
Add gdxManagedObject and small change gdxPooledObject
Swig generated files
Forgot to commit this
Merge pull request #308 from xoppa/bullet

Bullet, add contact callbacks and add GdxCollisionObjectBridge