Updated mediawiki/extensions
Project: mediawiki/extensions/Translate  5cb1c6fab87a2d45510b3a844e33d11d97074a5e

Use American English spelling for color

Also change this in method names and comments.

Spotted by Shirayuki in
https://translatewiki.net/wiki/Thread:Support/About_MediaWiki:Supportedlanguages-summary/en_%283%29

Change-Id: Ie92634542b564aad417e5adddce08975f31fb520