library/roles/oracle-jdk/tasks/main.yml: now it installs on debian too.
library/roles/php-fpm: Support saving sessions on memcache. Needs memcache (there's a role for it).
library/roles/postfix-relay: Now it can be configured to permit unencrypted connections from the local clients.
library/roles/users: Fix the sudo stuff.
library/roles/dnet_user_services_perms: New roles to configure the VM permissions in a way that allows playing with tomcat without been root.
infrastructure-services: First bits of nagios configuration for the infrastructure services.