Refs #9648 Display user name instead of email address on User List
Refs #9648 page by user_real_name rather than email address
Refs #9648 ActiveUsers list user names rather than email addresses
Refs #9648 Special:NewPages show user name instead of email
Refs #9648 Display name instead of email in Special:Log
Refs #9648 Display name instead of email for Special:ListFiles
Refs #9648 Special:NewFiles show name instead of email address