Add kill in Oozie for ClientDSL

        protected Callable<Kill.Response> callable() {
            return new Callable<Kill.Response>() {
                @Override
                public Kill.Response call() throws Exception {
                    URIBuilder uri = uri( Workflow.SERVICE_PATH, "/job/", jobId );
                    uri.addParameter("action", "kill");
                    HttpPut request = new HttpPut( uri.build() );
                    return new Kill.Response( execute( request ) );
                }
            };
        }