Author: cescobedo
MDL-61873 auth: Add privacy implementation for all auth plugins
None of the Auth plugins (except manual and oauth2) have any user preference or database table.
They all implement the null provider.
http://git.moodle.org/gw?p=moodle.git;a=commit;h=fd07089a418087919680611eacad61580c148918
http://github.com/moodle/moodle/commit/fd07089a418087919680611eacad61580c148918
+ 3.3 en [privacy:metadata,auth_cas]
+ 3.3 en [privacy:metadata,auth_db]
+ 3.3 en [privacy:metadata,auth_email]
+ 3.3 en [privacy:metadata,auth_fc]
+ 3.3 en [privacy:metadata,auth_imap]
+ 3.3 en [privacy:metadata,auth_ldap]
+ 3.3 en [privacy:metadata,auth_lti]
+ 3.3 en [privacy:metadata,auth_mnet]
+ 3.3 en [privacy:metadata,auth_nntp]
+ 3.3 en [privacy:metadata,auth_nologin]
+ 3.3 en [privacy:metadata,auth_none]
+ 3.3 en [privacy:metadata,auth_pam]
+ 3.3 en [privacy:metadata,auth_pop3]
+ 3.3 en [privacy:metadata,auth_shibboleth]
+ 3.3 en [privacy:metadata,auth_webservice]