Updated mediawiki packages fix security vulnerabilities

MediaWiki before 1.23.2 is vulnerable to JSONP injection in Flash CVE-2014-5241, XSS in mediawiki.page.image.pagination.js CVE-2014-5242, and clickjacking between OutputPage and ParserOutput CVE-2014-5243. This update provides MediaWiki 1.23.2, fixing these and other issues...