Updated mediawiki/extensions
Project: mediawiki/extensions/FundraisingEmailUnsubscribe  0e8277f2a983cba583b2d581e99e15e983d68d31

Migrate to JSON i18n

* Migrate to JSON i18n

* Fix some links and file.

Change-Id: I451ec1f029d092689985a0aad5d3f4b822317483