multiple things:

- cleaned up locations view
- handled the case where you can have the same number of items
  overdue as you have items overdue with renewals.
- display all errors when attempting to renew all overdue items
- lengthened the timeout on popup alerts
- began redoing item details modal
- pop up a message on login when you have items available for
  pickup.

Signed-off-by: William Rockwood <wrockwood@tadl.org>