Updated mediawiki/extensions
Project: mediawiki/extensions/Wikibase  fcc0d6b057d36a3385748fff3b3d4122d56c98ce
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(minor) added some documentation for SiteLinkEditTool + minor cleanup

* cleanup of templates used in SiteLinkEditTool
* SiteLinkEditTool.getEmptyStructure() will return more useful output than before
* minor documentation cleanups

Change-Id: I4f2e4405cf02f4dab9e21f0c8d10e553848b078b