Add ha with replication policy

[guidograzioli]

HA policy is set by the following parameters:

Variable	Description	Default
activemq_ha_enabled	Whether to enable ha	false
activemq_replication	Enables replication	false
activemq_replicated	Designate instance as replicated node	false

To designate nodes as replicas, use the activemq_replicated above in the node host_vars, or alternatively you can use
activemq_ha_role and assign to primary and backup