Updated mediawiki/extensions
Project: mediawiki/extensions/Wikibase  97574f9e636f799a947f90316a63a6a774135ec0

Tag some of browsertests as @smoke

By tagging some very basic tests with @smoke we could set up a job which
runs all tests with @somke tags on every commit to ensure basic
functionality is not broken.

Change-Id: I60e068597ecc1836cf595726d0d18c7a3e7fbc62