Updated mediawiki/extensions
Project: mediawiki/extensions/Echo  8c0c508f6344dc07acefb435213ecfb1136402b7
null
add article-linked notification

Patch Set 6:
	1. use 'linked' icron
	2. update message from cross-referenced to cross referenced

Change-Id: I8c70454e59b5f9f86f92825cfc75dcf5d9bcb336