Updated mediawiki/extensions
Project: mediawiki/extensions/Wikibase  8159f87fbe72296d4af926d9ccd0a4e145fa870b

Optimize/add missing use clauses in Lib after DM 2.0 switch

Plus a little bit of (hopefully non-critical) clean up with the
help of PHPStorm's static code analysis.

Change-Id: If6f00fb6da5f2bcb04e647389c1fbf18c080e0bd
Updated mediawiki/extensions
Project: mediawiki/extensions/Wikibase  3594cb9a311ad617f469676edbe7219807326e69

Optimize/add missing use clauses in Client after DM 2.0 switch

Plus a little bit of (hopefully non-critical) clean up with the
help of PHPStorm's static code analysis.

Change-Id: Id0639ce23198a6a4e949069b0ffc6f8687228c4d