Updated mediawiki/extensions
Project: mediawiki/extensions/AWS  6ce66710c5843882ea5a5ebca4da2109c0623ecc

Make composer.json pass validation

* Renamed to "mediawiki/aws" per recommendation
* Added a description
* Added license (optional)

Change-Id: I43b74bdf6a677284f7d3ba6c7e82a65340aa19a8