Updated mediawiki/extensions
Project: mediawiki/extensions/HostStats  10ced20fa3b48162a3530f2160e0f90dd8d797ec

Post $wgMessagesDirs above $wgExtensionMessagesFiles

Done for all extensions that were migrated to use JSON i18n, so fixing
this for consistency sake.

Change-Id: I94dcd585dcb1d67e5dc7f374e7dbde5fb7bb6f19