Added load balancers to sample code for creating a scaling group.
Added load balancers to sample code for creating a scaling group.

mandx/pyrax,sivel/pyrax,EdLeafe/pyrax,ddaeschler/pyrax,pratikmallya/pyrax,0dataloss/pyrax,rackspace/pyrax,roelvv/pyrax,briancurtin/pyrax,vikomall/pyrax,opsdisk/pyrax,rackerlabs/heat-pyrax,naemono/pyrax