add Intel build support for the OpenCL cloth demo, and use the bullet_logo.png

Thanks to ggjunker for the patch, see Issue 533

src/BulletCollision/BroadphaseCollision/btQuantizedBvh.h

@@ -107,9 +107,9 @@ ATTRIBUTE_ALIGNED16 (struct) btOptimizedBvhNode
 	//for child nodes
 	int	m_subPart;
 	int	m_triangleIndex;
-	int	m_padding[5];//bad, due to alignment
-
 
+//pad the size to 64 bytes
+	char	m_padding[20];
 };