Mark item as Missing Pieces should not always checkout the item to the last patron

Evergreen 2.7.2

When using the Mark Item as Missing Pieces function:

Circulation Menu -> Scan item as Missing Pieces

-OR-

Checkin -> Actions for selected items -> Mark Item as Missing Pieces

The following actions are performed:

- The item status changes to "Damaged", or a status specified in the org unit setting circ.missing_pieces.copy_status
- A slip prints to put with the item
- The item is rechecked out to the patron, or renewed.
- The "Edit item Attributes" screen is opened
- The Apply Standing Penalty/Message box is opened so a note/message/block can be added to the patron record.

If the item is currently checked out, it will be renewed. If the item is not currently checked out, it will be re-checked out to the last patron who borrowed it.

When items that have missing pieces are found on the shelf, it is useful to be able to use the Scan item as Missing Pieces function under the Circulation menu to give the items the appropriate status.

This is problematic since even if the item was returned months ago, it will still be checked out to the last patron.

It would be useful to have an org unit setting that specifies the maximum amount of time after checkin during which the item can be rechecked out to the patron when the Mark Item as Missing Pieces function is executed. If the maximum amount of time is set to zero, an already checked in item would never be rechecked out to the last patron.

Also useful would be a confirmation screen showing the patron, the checkin time and an option to cancel the checkout whenever an item is being re-checked out to a patron as part of the missing pieces process.

Link to a relevant IRC discussion:

http://irc.evergreen-ils.org/evergreen/2015-04-07#i_168341