Updated mediawiki/extensions
Project: mediawiki/extensions/Echo  1ea7332cc1e9fea77c3c010df95ecee91e837214

Remove dependence upon $wgPasswordSenderName

Fallback to 'emailsender' message if not set

Change-Id: Id136692b80b7582a515501672259394e8db74112
Follows-Up: Id20e4ec1cdae94fadb278146cd72d5a9b247dccf