Bug 23324: Add an ISBN normalization routine

Bug 23324: Add an ISBN normalization routine

To test:
1 - Set SearchEngine to ElasticSearch
2 - Stage the sample file (import it if it doesn't already exist in your catalog and then stage again)
3 - Set matching rule to ISBN
4 - No matches found
5 - Apply patch
6 - Apply no matchign rule
7 - Change the ISBN matching rule to use ISBN normalizer
8 - Apply matching rule for ISBN
9 - It matches!

Signed-off-by: Ron Houk <rhouk@ottumwapubliclibrary.org>
Signed-off-by: Marcel de Rooy <m.de.rooy@rijksmuseum.nl>
Signed-off-by: Martin Renvoize <martin.renvoize@ptfs-europe.com>