Added alternative loadbalancer based on haproxy.
Added alternative loadbalancer based on haproxy.

ukwa/wren,ukwa/wren,ukwa/wren,ukwa/wren,anjackson/wren,ukwa/wren,anjackson/wren,anjackson/wren,anjackson/wren,ukwa/wren,ukwa/wren,anjackson/wren,anjackson/wren