def create_network(name, tenant, admin_state_up = true)
      data = {
        'network' => {
          'name' => name,
          'tenant_id' => tenant,
          'admin_state_up' => admin_state_up
        }   
      }
      return post_request(address("networks"), data, @token)
    end
def create_network(name, tenant, admin_state_up = true)
      data = {
        'network' => {
          'name' => name,
          'tenant_id' => tenant,
          'admin_state_up' => admin_state_up
        }   
      }
      return post_request(address("networks"), data, @token)
    end
Create a new network on Openstack given a name and tenant id.