Bug 12944: Refactor the patron autocomplete

Bug 12944: Refactor the patron autocomplete

The patron list feature uses an autocomplete field to search patron.
This will be reused in the next patch.
This patch should not introduce any behavior change.

Signed-off-by: Paola Rossi <paola.rossi@cineca.it>
Signed-off-by: Kyle M Hall <kyle@bywatersolutions.com>
Bug 12944 [QA Followup] - Rename patrons.pl to patrons.js

Signed-off-by: Kyle M Hall <kyle@bywatersolutions.com>
Signed-off-by: Katrin Fischer <katrin.fischer.83@web.de>
Signed-off-by: Tomas Cohen Arazi <tomascohen@gmail.com>