Add Qpid HA Module.
Refactor Load Balancer.

* Move the define into it's own class
* Clean up other puppet lint warnings.
Add Module to install the Load Balancer with HA setup.
Set default of all puppet class params to allow override.
Merge pull request #135 from jguiditta/ha_loadbalancer

WIP Ha loadbalancer
BZ #1062701 -  Allow configuration of network_managers with nova networking.
Merge pull request #137 from jguiditta/nova-networking-manager

BZ #1062701 -  Allow configuration of network_managers with nova networking