Store ratings in database as well.

- Take IMDb from TMDb.
- Unify movie detail loading into MovieTools.
Extract MovieDetails into its own top-level class.
Make sure there is a not empty title and overview.

- Trakt could fail, leaving an untranslated TMDb movie with emtpy title
and overview. Instead, requery TMDb for English data as before.
Do not reset watched flag if failing to load from trakt.

- Also do not create empty trakt movie instance (which would lead to a
crash) if movie is not in database and loading from trakt failed.
Display movie runtime.
Use FLAG_ONE_SHOT on single episode notification intent.

- Should fix notification going to wrong episode details. See also
http://stackoverflow.com/a/3009690/1000543.
Drop navigate to search screen test, was removed from nav.
Revert back to using insecure endpoint for loading TMDb images.

- libssl crash with Picasso using OkHttp.
- Significantly reduces load times.
Preliminary change log for 12-beta6.
Latest translations.

- Exported from crowdin on 2014-02-17.
Push version to 224.
Replace three dots with single character.

- Lint quick fix (finally works!).
Drop unused layouts.
Drop unused dimensions.
Drop unused add show search hint string.
Drop unused "no services enabled" string.
Drop previously removed strings from all languages.
Move AppEngine project to its own repository.
Slip in latest Arabic translations.
Breaking: 12-beta6 one day late!