MediaWiki 1.23/wmf6

The latest version (labeled "1.23wmf6") of MediaWiki, the software that powers Wikipedia and its sister sites, is being deployed to all Wikimedia sites in stages, starting on Thursday, 5 December 2013 (see the roadmap).

Important Changes

 * - Add OOJS v1.0.5 to core
 * - Add deprecation warnings for log related methods