LP#1676608: copy alert and suppression matrix

LP#1676608: copy alert and suppression matrix

The Copy Alerts feature allows library staff to add customized alert
messages to copies. The copy alerts will appear when a specific event
takes place, such as when the copy is checked in, checked out, or
renewed. Alerts can be temporary or persistent: temporary alerts will be
disabled after the initial alert and acknowledgement from staff, while
persistent alerts will display each time the alert event takes place.
Copy Alerts can be configured to display at the circulating or owning
library only or, alternatively, when the library at which the alert
event takes place is not the circulating or owning library.  Copy Alerts
can also be configured to provide options for the next copy status that
should be applied to an item.  Library administrators will have the
ability to create and customize Copy Alert Types and to suppress copy
alerts at specific org units.

Copy alerts can be added via the volume/creator and the check in,
check out, and renew pages.  Copy alerts can also be managed at the
item status page.

Copy alert types can be managed via the Copy Alert Types page in
Local Administration, and suppression of them can be adminstered
via the Copy Alert Suppression page under Local Administration.

Co-authored-by: Galen Charlton <gmc@equinoxinitiative.org>
Signed-off-by: Mike Rylander <mrylander@gmail.com>
Signed-off-by: Galen Charlton <gmc@equinoxinitiative.org>
Signed-off-by: Mike Rylander <mrylander@gmail.com>