Fixed memoryleak in btOptimizedBvh (delete []m_contiguousNodes;) Changed DemoApplication::localCreateRigidBody, so it adds the rigidbody to the btDynamicsWorld. Added check for duplicate objects in world when adding. Added assert to prevent setLinearVelocity on static rigidbodies Added btCollisionFilterGroups to btBroadphaseProxy removed duplicate 'btBroadphaseProxy* m_broadphaseProxy;' in btRigidBody