Implement maintenance workflow

[jim]

Is your feature request related to a problem? Please describe.

Folks on the maintenance team need a way to track the status of work on various items.

Remaining tasks:

• [ ] Display an option on the TicketUpdate form to update the status of the item
• [ ] When the ticket status is set to "resolved", set the item status field to "active".
• [ ] When a TicketUpdate is saved:
  • If the ticket is resolved, set the item to active
  • Otherwise, set the item to active