Rhythmbox 3.1
Fix desktop file keywords translations

Add missing terminating semicolons to Scottish Gaelic and Slovenian
translations.
Bug 737058 - Part 1: Add disc total and track total to the DB
Bug 737058 - Part 2: Refactor sync properties.
Bug 737058 - Part 3: Allow batch editing of the track total.
Bug 737058 - Part 4: add comment for translators.
Updated Polish translation
Merge remote-tracking branch 'upstream/master'