Upgrade to Mediawiki 1.19.5

[chris]

New version out tonight:

This is a notice that on Monday, April 15th between 20:00-21:00 UTC
(1-2pm PDT) Wikimedia Foundation will release security updates for
current and supported branches of the MediaWiki software. Downloads
and patches will be available at that time, with the git repositories
updated later that afternoon. CVSS scores are between 4.3 and 7.1,
most users will want to update.

​http://lists.wikimedia.org/pipermail/mediawiki-announce/2013-April/000126.html

[chris]

The details of the security fixes, which are not so urgent for us, are here ​http://lists.wikimedia.org/pipermail/mediawiki-announce/2013-April/000127.html

The notes from the last upgrade, ticket:506#comment:2 were followed:

sudo -i
cd /web/wiki.transitionnetwork.org
wget http://download.wikimedia.org/mediawiki/1.19/mediawiki-1.19.5.tar.gz
wget http://download.wikimedia.org/mediawiki/1.19/mediawiki-1.19.5.tar.gz.sig
  gpg --verify mediawiki-1.19.5.tar.gz.sig
  gpg: Signature made Mon Apr 15 17:24:01 2013 BST using DSA key ID 62D84F01
  gpg: Good signature from "Chris Steipp <csteipp@wikimedia.org>"
  gpg: WARNING: This key is not certified with a trusted signature!
  gpg:          There is no indication that the signature belongs to the owner.
  Primary key fingerprint: 1624 32D9 E81C 1C61 8B30  1EEC EE1F 6634 62D8 4F01
tar -zxvf mediawiki-1.19.5.tar.gz
rsync -av mediawiki-1.19.5/ www/
chown root:root -R www/
chown -R www-data:www-data www/cache
chown -R www-data:www-data www/images
cd www/maintenance/
php update.php 

The version was then checked at ​https://wiki.transitionnetwork.org/Special:Version

And the documentation was updated wiki:PenguinServer#wiki.transitionnetwork.org