Miro  4.0.1

# Bug fixes

* (all) can't get rid of horizontal scroll bar
* (all) Podcast metadata not available on Miro Mobile / daap
* (Linux) StandardView titles containing unusually tall characters don't display on Natty
* (all) shouldn't restore columns in displays where they have become unavailable
* (all) miro becomes unresponsive when batch marking items as played
* (all) find_next_item crash in empty list
* (all) "Remove Podcast" button does nothing in watched folder
* (all) crash clicking Connect during startup
* (Windows) Windows No Disk
* (OS X) sort arrow glitch in list view for state column
* (all) Crash when entering invalid value for season number in Item Edit
* (all) Warn on sharing quit confirmation checkbox reads the wrong preference
* (all) unicode error related to coverart.