Updated mediawiki/extensions
Project: mediawiki/extensions/AWS  fb557a13511dceb7a84da75169f3084a7f7f2ab0

Updated and added default configuration

Some parts of the configuration must be a certain way, so let
those be defaults so that the end user doesn't have to configure
them manually.

Change-Id: I66952eecb1f7ce619c1e2f203a485446712c2d11