BAMPFA-93: Make tenant copies of media.json and media-tab.json.
BAMPFA-93: Clean up whitespace.
BAMPFA-93: Hide media id number, and media title. Make title computed from blob filename. Also make page number required.
BAMPFA-93: Remove component id from applier listener namespaces, so that new components will automatically unregister old components.
Merge branch 'ucb-deploy_4.0' into cinefiles_4.0