When exiting immersive view via the system gesture ensure the fragement gets resized in the same way as exiting via single tap (#511)
Handling deleting shared story when flipping unread counts.
Showing save tagging autocomplete menu on focus.
Merge pull request #526 from manderson23/master

Android: Consistent behaviour exiting immersive view via single tap or system gesture
Adding story tags to search index.
Adding search indexer task.
Updating reqs.
Adding search_indexed to canonical rep.
Parallelizing search indexing. Adding task to handle parallelization.
Task for scheduling search indexing.
Turning indexing on.
Blacking out search indexing again.
Forcing read pref on user search check.
Fixing river feed header fonts.
Blacking out search indexing.
Reverting to http for original page server as it's not equipped.