Set up Pagoda Box worker running openskedge:worker:run

Periodically checks for late users, prunes old clock data, and sends emails still in the spool.

Signed-off-by: Max Fierke <max@maxfierke.com>
Add filtering options to LateShiftController and views.

Pagination has been made more robust, as well.

Signed-off-by: Max Fierke <max@maxfierke.com>