Updated mediawiki/extensions
Project: mediawiki/extensions/Wikibase  6a23b426bc7d0c5f37f295fd50d9d6199d8044fc
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(bug 44538) Simple counter for statementview's references

* Counter will update whenever a new source has been saved or removed
* Changed 'wikibase-statementview-referencesheading' message and qqq back to its 92fe330 version

- patch set 3: rebase

Change-Id: I8c3a06b70a3f58921353a57a8e328b457d46a1cc