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=935d2c9f29c4b493b9d7d1a6b7f9a15e68233d6b
http://github.com/moodle/moodle/commit/935d2c9f29c4b493b9d7d1a6b7f9a15e68233d6b
+ 3.4 en [privacy:metadata,auth_cas]
+ 3.4 en [privacy:metadata,auth_db]
+ 3.4 en [privacy:metadata,auth_email]
+ 3.4 en [privacy:metadata,auth_ldap]
+ 3.4 en [privacy:metadata,auth_lti]
+ 3.4 en [privacy:metadata,auth_mnet]
+ 3.4 en [privacy:metadata,auth_nologin]
+ 3.4 en [privacy:metadata,auth_none]
+ 3.4 en [privacy:metadata,auth_shibboleth]
+ 3.4 en [privacy:metadata,auth_webservice]