Add prototype for rss feeds
RSS feeds now generated by elasticsearch queries, and overhauled elasticsearch search flexibility
Migrate_search now runs
Check_archive now uses the _normalize helper function
rss_feed.py now converts elasticsearch queries into rss feeds
RSS feeds are now sorted by date
Update search tests for changes to search.py
test_celerytasks now deletes correct directory, and PEP8
Merge branch 'develop' into feature/rss_feed
Add elasticsearch to travis.yml
Merge branch 'feature/rss_feed' into develop
Update requirements