Updated mediawiki/extensions
Project: mediawiki/extensions/Echo  65c43ff179eccd088c491096b72db13aa91f4143

New hooks for external integration to notification intiialization

Adds two new hooks to allow extensions to tie into the notification
loading process.  Between these two hooks and the new isInitialized()
method any extension can run code whenever a notification is displayed.

Change-Id: If351835be5f65ca098e2d235ea8c8e4dc40ae2b4