Bug 8171 - Improper escaping of quotes during z39.50 queries leads to broken html

Bug 8171 - Improper escaping of quotes during z39.50 queries leads to broken html

Implementing fix as suggested by Chris Cormack:

http://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=8171#c4

Signed-off-by: Jared Camins-Esakov <jcamins@cpbibliography.com>
Signed-off-by: Paul Poulain <paul.poulain@biblibre.com>
Signed-off-by: Chris Cormack <chrisc@catalyst.net.nz>
(cherry picked from commit dc0cf0b3290e642b33f44ff465976ac915d952d7)

Signed-off-by: Jared Camins-Esakov <jcamins@cpbibliography.com>