Bug 23090: Add some special characters

Bug 23090: Add some special characters

TEST PLAN
---------

$ sudo mysql -u root
> CREATE USER 'bug23090_test1'@'localhost' IDENTIFIED BY 'badpassword';
[Magical MySQL Error]
> CREATE USER 'bug23090_test1'@'localhost' IDENTIFIED BY 'GoodP@ssw0rd';
[Should be okay]
> DROP USER 'bug23090_test1'@'localhost';
> QUIT
$ sudo koha-create --create-db fail23090
[Magical MySQL Error]
[Apply this patch and put it (debian/scripts/koha-create) into place in
/usr/sbin/koha-create]
$ sudo koha-create --create-db pass23090

(Clean up and databases made)

Signed-off-by: Chris Cormack <chrisc@catalyst.net.nz>
Signed-off-by: Marcel de Rooy <m.de.rooy@rijksmuseum.nl>
Signed-off-by: Martin Renvoize <martin.renvoize@ptfs-europe.com>