Updated mediawiki/extensions
Project: mediawiki/extensions/JsonConfig  70c60eb94d962b6c3d4a4ca337ddf105743f8dbf

derrived classes no longer need to Init/Finish validation

* Breaking change, need to update ZeroBanner

Change-Id: Ie6529ac47927b055e0f1d93a539285ad49c23867
Updated mediawiki/extensions
Project: mediawiki/extensions/ZeroBanner  0200dd87d76f5011b3de8eac9e30e938c2f73e8d

Updated to match JsonConfig validation change

Change-Id: If8e7a9e92f38cdd4012991c712534bc495f3fabd