Added test case for successful ip creation with network_id and device_id, reformatted comments for pep8
Added test case for successful ip creation with network_id and device_id, reformatted comments for pep8

roaet/quark,asadoughi/quark,roaet/quark,insequent/quark,alanquillin/quark,lmaycotte/quark,rackerlabs/quark,alanquillin/quark,blamarvt/quark,lmaycotte/quark,rackerlabs/quark,Cerberus98/quark,insequent/quark,asadoughi/quark,Cerberus98/quark,jkoelker/quark