Update oslo-incubator py3kcompat module
Update oslo-incubator py3kcompat module

Changes -
 * Add method quote_plus in module py3kcompat.urlutils

Change-Id: I1352bf8d4a2a5fe064a793168b83adf677e75298

keedio/sahara,tellesnobrega/storm_plugin,zhujzhuo/Sahara,henaras/sahara,ekasitk/sahara,tellesnobrega/sahara,zhangjunli177/sahara,bigfootproject/sahara,ekasitk/sahara,tellesnobrega/storm_plugin,tellesnobrega/storm_plugin,tellesnobrega/sahara,esikachev/scenario,matips/iosr-2015,keedio/sahara,xme1226/sahara,redhat-openstack/sahara,matips/iosr-2015,crobby/sahara,esikachev/scenario,bigfootproject/sahara,zhujzhuo/Sahara,henaras/sahara,esikachev/scenario,henaras/sahara,openstack/sahara,ekasitk/sahara,bigfootproject/sahara,citrix-openstack-build/sahara,mapr/sahara,xme1226/sahara,zhujzhuo/Sahara,zhangjunli177/sahara,egafford/sahara,mapr/sahara,keedio/sahara,xme1226/sahara,redhat-openstack/sahara,redhat-openstack/sahara,esikachev/sahara-backup,citrix-openstack-build/sahara,esikachev/sahara-backup,egafford/sahara,citrix-openstack-build/sahara,mapr/sahara,matips/iosr-2015,esikachev/sahara-backup,zhangjunli177/sahara,openstack/sahara,crobby/sahara,crobby/sahara