Updated mediawiki package fixes security vulnerabilities

Full path disclosure in MediaWiki before 1.20.7, when an invalid language is specified in ResourceLoader CVE-2013-4301. Several API modules in MediaWiki before 1.20.7 allowed anti-CSRF tokens to be accessed via JSONP CVE-2013-4302. An issue with the MediaWiki API in MediaWiki before 1.20.7 where ...