PyLint fixes. Use explicitly logger in torrent_scrub, etc
Minor Sphinx tweak, too long chapter name.
Add verbose message when creating new database, it takes a while.
Fixes to imdb uni tests and imdb_lookup enhancements.

- Populates new field `imdb_original_name`
- Database migration
Disabled test_myepisodes.py - test account blocked?
PEP8 cleanups
Remove imdb_id support from rottentomatoes_lookup.

- Fixes unit tests
- Using imdb_id might have worked with api_key
Fixes torrent_alive unit tests.