PHP puppet now use stabile ondrej ppa repo for php 5.4

The ppa repo "ppa:ondrej/php5" now by default install php 5.5 version, and provisioning breaks because of dependencies. So we have to use "ppa:ondrej/php5-oldstable" to make sure puppet will install PHP 5.4 version as we want.

This is my first pull request so if I missed something please inform me.