Improved performance of convex collision shapes, cache local AABB instead of recomputation. This fixes issue with very slow performance in larger .bsp levels.

Moved some asserts into 'btFullAssert', which is disabled by default (see btScalar.h to enable them). This is to speed-up debugging.

src/BulletCollision/CollisionShapes/btConvexHullShape.h

@@ -37,6 +37,7 @@ public:
 	void addPoint(const btPoint3& point)
 	{
 		m_points.push_back(point);
+		recalcLocalAabb();
 	}
 	virtual btVector3	localGetSupportingVertex(const btVector3& vec)const;
 	virtual btVector3	localGetSupportingVertexWithoutMargin(const btVector3& vec)const;