Added playback speeds below 1.0. fixes #413
Treat feeds with same title and different download URLs as different feeds. fixes #101
Improved syncing speed for large amounts of feeds. fixes #371

- Bundle db operations in FeedSyncThread
- Show "Processing downloads" message instead of "0 downloads left"
Auto-download episodes on DownloadService shutdown. fixes #316 closes #408
Re-added EventDistributor call to DBTasks.updateFeed()