Refactoring for parallel processing of islands, collision detection and constraint solving.

Demos/ColladaDemo/ColladaDemo.cpp

@@ -844,7 +844,7 @@ int main(int argc,char** argv)
 	CollisionDispatcher* dispatcher = new	CollisionDispatcher();
 	SimdVector3 worldAabbMin(-10000,-10000,-10000);
 	SimdVector3 worldAabbMax(10000,10000,10000);
-	BroadphaseInterface* broadphase = new AxisSweep3(worldAabbMin,worldAabbMax);
+	OverlappingPairCache* broadphase = new AxisSweep3(worldAabbMin,worldAabbMax);
 	//BroadphaseInterface* broadphase = new SimpleBroadphase();
 	physicsEnvironmentPtr = new CcdPhysicsEnvironment(dispatcher,broadphase);
 	physicsEnvironmentPtr->setDeactivationTime(2.f);