Restyle movie search results.

Also make sure we save the current search query in the URL to make it
refresh safe. This is purely to make it faster to develop against,
so this might be skipped in production if it slows things down.

Some refactoring of the search.js as well.
Use real number of streams.
Use css background images for cover art instead of img elements.
Merge pull request #2 from streamr/restyledSearch

Restyle movie search results.