Add method on PersistenceManager to retrieve the episodes with no subtitles yet.
Use different instances of the test database for different tests.
Create EpisodeDownloadingTask
Create SubtitlesController and move subtitles download and parsing logic out of servlet.
Update scalatra version, include actual logging, and use EpisodeDownloadingTask for real.
Change findSubtitlesToIndex to also take into account episodes.
Replace println with proper Logging.
More logging.
Add redis library and caching spec.
* Refactor duplicate method in utils
* Episode downloading task