Author: Charles Fulton
MDL-35130 shibboleth: remove hard-coded string
http://git.moodle.org/gw?p=moodle.git;a=commit;h=05f8741ceec7a5b76fefdf92ace92414835aead6
http://github.com/moodle/moodle/commit/05f8741ceec7a5b76fefdf92ace92414835aead6
+ 2.4 en [auth_shib_contact_administrator,auth_shibboleth]