Updated mediawiki/extensions
Project: mediawiki/extensions/Echo  66007528f6fffae7c4bfbe705608f7fef6582f08

Bug 49269: Echo markup adjustments

separate into multiple ul elements with headings dividing them
This removes need for unnecessary styling rules in mobile web

Change-Id: I8acaef726ea0cc639054cf36d6c3649c7ab25bee