Updated mediawiki/extensions
Project: mediawiki/extensions/Wikibase  a18d00d7fa323ff5f8a069016e76e38f1af82e25

Add option in travis setup to run client or repo tests only, or both

with mw-apply-wb-settings.sh based on script used by WikidataJenkins

Change-Id: I2bb1ef1c629b7c9b04beb4e83bc4d187d867d302