Fix pagination and sorting for followed threads. Also fixed sorting so that it always retrieves a new set of threads from the server for the initial set.

Also fixed up some random bugs with content_info, and changed pagination code a little. Needs comments service update for the subscribed threads API call.

particularly useful.

query the comment service to get their results rather than filtering threads that have
already been loaded.

Fix staff markers for inline threads and double staff markers for threads with deeply nested comments.

loaded into the page in a data attribute instead of loaded on request via ajax.
The user profile page also does not provide facilities for adding
comments/responses, which I think would clutter the page too much.

Also removed some unused stuff from views.py.

down on the amount of data shuffled around and saves some rendering time
on the forum index as well.

Related templates should probably also be deleted. I did this mainly
because it's confusing to have so many functions with similar names and
there's a lot of unused stuff from discussion v1.

Convert expand/collapse into buttons and change default sort order to date. Buttons should be styled better but I don't know how to do it.

following if it wasn't working before.

Needs different CSS to make it more appropriate in the embedded view.