Apple Trailers 2.0

Fixes the following bugs:
“The workingness” is now True.
Add genre filtering option.
Add movie_year, movie_studio and genres to entry.
Reenable apple_trailers unit test
Merge pull request #222 from tubedogg/apple_trailers_2

Apple Trailers 2.0
Separate making trakt list slug to own function
Fix trakt_emit schema defaults failing
Copy trakt list slug making ability from trakt_list
Allow old-style apple_trailers: 720p config

Updates docs and also removes some unneeded imports.
Delicious unit tests

Also axes a defunct import.
Fix schema
Personal info on trakt list items.

Some info always present in custom list items, might come in handy to
filter stuff
Make sure --inject and -v work together.
Prefix
Fix some issues with trakt_emit:
- 'next' mode now works when next season is not yet in trakt
- make tvdb_id an int
- comments and cleanup
Make tvdb_id from trakt_list an int
Merge pull request #223 from tarzasai/trakt_list_ratings

Personal info on trakt list items.
Make sure clean_transmission respects --test mode