Updated mediawiki/extensions
Project: mediawiki/extensions/Echo  54f9b4a440f9cde2298346776e617ea373306698

Hygiene: Break out _buildNotificationList

Make various properties of the overlay properties of
EchoOverlay to reduce need for function parameters

Change-Id: I70ec0c650d58322aad93d71292a836d7cf7e7474