Author: Mark Nelson
MDL-64017 message_email: updated privacy provider
http://git.moodle.org/gw?p=moodle.git;a=commit;h=9bc1b8f8da3dd00c5450c15ff9afdff2a72f559d
http://github.com/moodle/moodle/commit/9bc1b8f8da3dd00c5450c15ff9afdff2a72f559d
+ 3.7 en [privacy:metadata:message_email_messages,message_email]
+ 3.7 en [privacy:metadata:message_email_messages:conversationid,message_email]
+ 3.7 en [privacy:metadata:message_email_messages:messageid,message_email]
+ 3.7 en [privacy:metadata:message_email_messages:useridto,message_email]