Author: Paul Holden
MDL-59303 auth_shibboleth: consistent readme URL.
http://git.moodle.org/gw?p=moodle.git;a=commit;h=1e89b1d686bc95f6acebbfb0e82c3b8ee5e56ec1
http://github.com/moodle/moodle/commit/1e89b1d686bc95f6acebbfb0e82c3b8ee5e56ec1
+ 3.9 en [auth_shibbolethdescription,auth_shibboleth]
+ 3.9 en [auth_shib_convert_data_description,auth_shibboleth]
+ 3.9 en [shib_not_set_up_error,auth_shibboleth]