Bug 13891: DataTables server-side processing - Serial recipients

Bug 13891: DataTables server-side processing - Serial recipients

This second patch removes the previous way to search for serial recipients.

Test plan:
1/ Edit the routing list for a subscription (serials/routing.pl?subscriptionid=X)
2/ Add 1+ recipients
3/ Confirm there is no regression on the add/delete/search actions

QA note: This search does not use a clean way to interact with the
window opener. Indeed the opener is reloaded to display the new item.
This patch does not change this behavior, but note the trick in the
template (common/patron_search.tt) to wait for the opener in order not
to get a JS error.
This is also used by the next patch (patron card).

Tested together with other patches.
Signed-off-by: Marc Veron <veron@veron.ch>
Signed-off-by: Kyle M Hall <kyle@bywatersolutions.com>
Signed-off-by: Tomas Cohen Arazi <tomascohen@gmail.com>