Modify watchlist fragment to display local movies.

- Also clean up provider, add content uris for easy access to watchlist
and collection.
- New MoviesCursorAdapter.
- New fragment_movies layout deprecates movies_watchlist_fragment
layout.
Adapt to trakt-java 2.1.0 API changes.

- Library and collection methods require using default variant with
extended parameter.
Enable database upgrade for movies support.
Rename MovieSearchFragment to MoviesSearchFragment.

- Also rename layouts.
Started MovieTools, support for adding to watchlist.

- Use MovieTools to add movies from search results.
Drop unused TraktMoviesWatchlistLoader.
Support removing movies from watchlist.
Don't use parent LayoutParams in watchlist.
Add trakt movie sync.