Updated mediawiki/extensions
Project: mediawiki/extensions/ZeroBanner  46154a934f9bce2ed751c815cad9330a2a5652d3

Update to match JCValidators patch in JsonConfig

Change-Id: I4027ff558b399e2d9ed176bc556cf4d31ccc6579
Updated mediawiki/extensions
Project: mediawiki/extensions/JsonConfig  1dcac6bb03c884238f1212fd86f6ce8c2f6a369d

Refactorings, validators,

* Added JCValidators utility class for all data validation
* Added array and assoc-array validators
* Better error reporting
* JSON decoding now supports both assoc-array and object parsing
* JCKeyValueContent::check() now determines optionality by calling
  validator on default value

Change-Id: Ibaa1869c137cb850efeb32c3b1deb7310ca9f78e