Bugfix for ros.Bag.readAll()
Bugfix for ros.Bag.readAll()

Ignore resetView() when list of topics is empty

bcharrow/matlab_rosbag,zheng-rong/matlab_rosbag,zheng-rong/matlab_rosbag,bcharrow/matlab_rosbag,bcharrow/matlab_rosbag,zheng-rong/matlab_rosbag