Bug 14629 - Add aggressive ISSN matching feature equivalent to the aggressive ISBN...

Bug 14629 - Add aggressive ISSN matching feature equivalent to the aggressive ISBN matcher

This patch adds a syspref "AggressiveMatchOnISSN" allowing for a match
of ISSNs with or without hyphens. It uses Business::ISSN in order to
follow the use of Business::ISBN and allow for validation of ISSNs

To test:
1 - Find a record in your system with an ISSN (or add one)
2 - Stage a record containing the same ISSN but lacking a hyphen
3 - Matching on ISSN should find 0 matches
4 - Repeat with no hyphen ISSN in system and hyphen ISSN in import
5 - Matching should find 0
6 - Apply patch
7 - Update datbase and install Business::ISSN
8 - Leave AggressiveMatchOnISSN as don't and repeat original tests- no
change
9 - Set AggressiveMatchOnISSN as do and repeat original test
10 - You should find a match
11 - prove t/Koha.t - all tests pass

Sponsored by North Central Regional Library System (NCRL) www.ncrl.org

Signed-off-by: Chad Roseburg <croseburg@ncrl.org>
Signed-off-by: Marcel de Rooy <m.de.rooy@rijksmuseum.nl>
Signed-off-by: Kyle M Hall <kyle@bywatersolutions.com>