Rompr 0.51

A minor update with a new feature and a couple of bugfixes

1. Fix bug where users of MPD 0.18 could find their Music Collection has strange corrupted entries. If you've suffered from this problem you must delete your rompr database and start again if you're using the SQL backend I'm afraid.
2. The return of the 'Hide Info Panel' option
3. A Rating manager, in the same vein as the tag manager
4. Updated French translation
5. Italian translation by Luca Morisi

Keep on groovin'