Updated mediawiki/extensions
Project: mediawiki/extensions/BetaFeatures  f8734a2788cb82d36911cbd7d217c6b57141da90

Add portlet link to Beta Features pref section

Will only work with the patch to add that section, but this doesn't
hurt anything now (especially since the extension isn't deployed
anywhere), so may as well submit it.

Change-Id: Icfe63be29133f9f13feffbad99c83856f45d8d01