Updated mediawiki/extensions
Project: mediawiki/extensions/JsonConfig  6d8306bc723d77a2fe3f7493297fb22d8f13c9c4

Refactoring cleanup

* Moved non-validator JCValidators functions into JCUtils
* Renamed JCValidators with simpler names

Change-Id: I2afa19b6c1f0d7920bb649468cf93a5b16b5f346