Bug 13887: Add datatables to item specific holds table

Bug 13887: Add datatables to item specific holds table

This patch adds datatables functionality to the item specific holds table

To test:
1 - Apply patch
2 - Attempt to place an item specific hold for a patron
3 - Note that columns are now sortable and searchable
4 - Ensure that you can place both specific and next available holds as before

Signed-off-by: Nicole Engard <nengard@bywatersolutions.com>
Signed-off-by: Jonathan Druart <jonathan.druart@biblibre.com>
Signed-off-by: Katrin Fischer <katrin.fischer.83@web.de>
Signed-off-by: Tomas Cohen Arazi <tomascohen@gmail.com>