Camera controls

accidentally based of rot vel branch, please accept that one first.
controls are as follows:

			"KEY_CAMERA_UP" : keyCode('I'),
			"KEY_CAMERA_DOWN" : keyCode('K'),
			"KEY_CAMERA_LEFT" : keyCode('L'),
			"KEY_CAMERA_RIGHT" : keyCode('J'),
			"KEY_CAMERA_ROTATE_CLOCKWISE" : keyCode('O'),
			"KEY_CAMERA_ROTATE_COUNTERCLOCKWISE" : keyCode('U'),
			"KEY_CAMERA_ZOOMIN" : keyCode('0'),
			"KEY_CAMERA_ZOOMOUT" : keyCode('9')