Bug 17373: Add mappings for unimarc authorities - Match index

Bug 17373: Add mappings for unimarc authorities - Match index

Test plan:

1. apply patches

2. switch  SearchEngine syspref to ElasticSearch

3. load new mapping
(admin/searchengine/elasticsearch/mappings.pl?op=reset&i_know_what_i_am_doing=1)

4. load some unimarc authorities like the sample attached to bug 17373

5. reindex authorities
(./misc/search_tools/rebuild_elastic_search.pl -d -a -v)

6. search entire notice for shalev or שלו

7. you should find stuff

Signed-off-by: Nicolas Legrand <nicolas.legrand@bulac.fr>
Signed-off-by: Nick Clemens <nick@bywatersolutions.com>
Signed-off-by: Jonathan Druart <jonathan.druart@bugs.koha-community.org>