do the clean before building an arch (#1179)
do the clean before building an arch (#1179)

- I did not realize we do not call the build-images command
 - we call push relase directly, which implicitly builds each individual image
n3wscott/service-catalog,staebler/service-catalog,kubernetes-sigs/service-catalog,MHBauer/service-catalog,vaikas-google/service-catalog,n3wscott/service-catalog,duglin/service-catalog,jboyd01/service-catalog,jboyd01/service-catalog,jboyd01/service-catalog,kibbles-n-bytes/service-catalog,duglin/service-catalog,MHBauer/service-catalog,kubernetes-incubator/service-catalog,duglin/service-catalog,staebler/service-catalog,kibbles-n-bytes/service-catalog,krancour/service-catalog,n3wscott/service-catalog,kubernetes-incubator/service-catalog,MHBauer/service-catalog,krancour/service-catalog,kubernetes-incubator/service-catalog,MHBauer/service-catalog,kubernetes-sigs/service-catalog,kibbles-n-bytes/service-catalog,staebler/service-catalog,n3wscott/service-catalog,jboyd01/service-catalog,martinmaly/service-catalog,martinmaly/service-catalog,MHBauer/service-catalog,kubernetes-incubator/service-catalog,martinmaly/service-catalog,staebler/service-catalog,kubernetes-sigs/service-catalog,n3wscott/service-catalog,duglin/service-catalog,pmorie/service-catalog,kubernetes-incubator/service-catalog,kibbles-n-bytes/service-catalog,staebler/service-catalog,kibbles-n-bytes/service-catalog,staebler/service-catalog,krancour/service-catalog,duglin/service-catalog,kubernetes-incubator/service-catalog,vaikas-google/service-catalog,MHBauer/service-catalog,duglin/service-catalog,vaikas-google/service-catalog,pmorie/service-catalog,kubernetes-sigs/service-catalog,kubernetes-sigs/service-catalog,kubernetes-sigs/service-catalog,pmorie/service-catalog,n3wscott/service-catalog,kibbles-n-bytes/service-catalog,jboyd01/service-catalog,jboyd01/service-catalog