small cleanup in the DemoApplication, removed references to obsolete PHY_ShapeProps/PHY_MaterialProps

removed deletion of motionstate in CcdPhysics/CcdPhysicsController destructor
disabled m_type optimization in SimdTransform (making the memory size 64 byte, potentially more cache friendly)
fixed a bug in island generation, causing the activation not propagating in one frame, but one 'layer' of rigidbodies at a time

src/BulletCollision/CollisionDispatch/btCollisionObject.cpp

@@ -52,5 +52,6 @@ void CollisionObject::activate()
 
 bool CollisionObject::mergesSimulationIslands() const
 {
-	return ( !(m_collisionFlags & isStatic));
+	//static objects, and object without contact response don't merge islands
+	return ( !(m_collisionFlags & (isStatic |noContactResponse )));
 }