sort downloaded friendlist

Make sure the friendlist is ordered correctly (by username) before
returning it.
Show loading indicator while downloading lists

Showing top rated, most popular, just added or upcoming lists can take
some seconds because they are downloaded every time. This adds a
progress spinner that is displayed while loading to show the user that
the app is doing something.
Show loading indicator while searching
Merge pull request #120 from d-sko/friendlist_sort_fix

fix friendlist order on refresh
Merge pull request #133 from d-sko/loading_indicators

Show loading indicator while downloading lists
If total is unknown, display "?"

The current behaviour is we display a 0, which is what
the API sends for unknown. That's pretty silly, so instead
let's display a "?".

Also my Eclipse autoformatting apparantly touched some other lines.
Meh.
Merge remote-tracking branch 'upstream/working' into working