Update cloud networks docs to specify the correct keyword arg for specifying networks when creating a server
Update cloud networks docs to specify the correct keyword arg for specifying networks when creating a server

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