Updated mediawiki/extensions
Project: mediawiki/extensions/BetaFeatures  bab5308c9b57ed2e92ce98e011eb9521438b9bfa

Compatibility filters for BetaFeatures

* JavaScript test
* Browser detection via jQuery.client
* Dependency on other beta features
* Skin detection

Change-Id: Ia4cdc2dbbb29364ecbf55799b85880dd3968de6b