Authors:
  - Peter Fogg
  - Daniel Friedman

TNL-1953

TNL-1898

Also adds a generic paginated list view and Teams list view. The
common PaginatedView takes a collection and a view class for its items
and creates a header and footer with correct pagination. The topics
list view is refactored to use this generic view.

Authors:
  - Peter Fogg <pfogg@edx.org>
  - Daniel Friedman <dfriedman58@gmail.com>

Authors:
  - Daniel Friedman
  - Ben McMorran
  - Peter Fogg

TNL-1892