added user grant for cinder, glance, neutron, nova and keyston on mysql cluster temporarily from localhost and haproxy settings for nova and neutron. Cleaned up other haproxy unused (commented)

used keepalived module from puppetforge instead of baltig and changed resource definition in manifest/profile/keepalive.pp

modified database.pp profile, putting percona instead of galera. Ensured xinetd package installed and service started

Setup rabbitmq to use keepalives (https://bugs.launchpad.net/nova/+bug/856764) & rewrote its ha-all policy

Neutron DHCP Agent now passes a MTU (1438 by default) to instances to make Neutron networks working on a physical network swhich don't allow jumboframes

Fixed neutron-vpn-agent service conflict with neutron-l3-agent service & added some mandatory sysctl parameters