Updated mediawiki/extensions
Project: mediawiki/extensions/Flow  996e3e8e4624bc9b4972ad8bc85ed80048edb580

Flow notification item new style

* Remove the snippet as requested

* Truncate topic title to 50 bytes

* Change the wording in notification message

Depends on:
https://gerrit.wikimedia.org/r/#/c/151792/
https://gerrit.wikimedia.org/r/#/c/151805/

Change-Id: Ic820319639dda869b7bb11809e75f6a2d023e16d