Bug 17838 Availability limit broken until an item has been checked out.

TEST PLAN

1. Make sure you have no items checked out.
2. Run sudo koha-rebuild-zebra -f -v kohadev.
3. Go to search the catalog and search.
4. Check items availability and then click on limit to currently
available items.
5. This should return no results.
6. Apply patch and reload.
7. Results should show.

Signed-off-by: Katrin Fischer <katrin.fischer.83@web.de>

Signed-off-by: Jonathan Druart <jonathan.druart@bugs.koha-community.org>
Attribute 14: " Specifies whether un-indexed fields should be ignored. A
zero value (default) throws a diagnostic when an un-indexed field is
specified. A non-zero value makes it return 0 hits."
From http://www.indexdata.com/zebra/doc/querymodel-zebra.html

Signed-off-by: Kyle M Hall <kyle@bywatersolutions.com>
(cherry picked from commit 543dc8e036)
Signed-off-by: Katrin Fischer <katrin.fischer.83@web.de>
(cherry picked from commit 448f6f5127)
Signed-off-by: Julian Maurice <julian.maurice@biblibre.com>

etc/zebradb/ccl.properties

@@ -1026,7 +1026,7 @@ reserves 1=8021
 Local-classification 1=8022
 barcode 1=8023
 bc barcode
-onloan 1=8024
+onloan 1=8024 14=1
 datelastseen 1=8025
 datelastborrowed 1=8026
 copynumber 1=8027