Fix jenkins + linpack + bigmachine bug
Fix jenkins + linpack + bigmachine bug

Launching 5-nodes for multinode testing; all 5 on a big machine
immediately attempt to run a linpack; this takes about 18-20secs - and
happens before a cloud forms.  Thus the first few tests timeout for
cloudsize being too small.

rowhit/h2o-2,h2oai/h2o,eg-zhang/h2o-2,rowhit/h2o-2,vbelakov/h2o,100star/h2o,rowhit/h2o-2,vbelakov/h2o,rowhit/h2o-2,100star/h2o,eg-zhang/h2o-2,h2oai/h2o,h2oai/h2o,111t8e/h2o-2,calvingit21/h2o-2,elkingtonmcb/h2o-2,vbelakov/h2o,100star/h2o,calvingit21/h2o-2,calvingit21/h2o-2,eg-zhang/h2o-2,rowhit/h2o-2,elkingtonmcb/h2o-2,111t8e/h2o-2,100star/h2o,h2oai/h2o,111t8e/h2o-2,111t8e/h2o-2,h2oai/h2o,elkingtonmcb/h2o-2,h2oai/h2o-2,vbelakov/h2o,elkingtonmcb/h2o-2,h2oai/h2o-2,111t8e/h2o-2,vbelakov/h2o,elkingtonmcb/h2o-2,eg-zhang/h2o-2,h2oai/h2o-2,elkingtonmcb/h2o-2,calvingit21/h2o-2,h2oai/h2o,111t8e/h2o-2,h2oai/h2o,elkingtonmcb/h2o-2,111t8e/h2o-2,100star/h2o,elkingtonmcb/h2o-2,calvingit21/h2o-2,eg-zhang/h2o-2,rowhit/h2o-2,rowhit/h2o-2,100star/h2o,h2oai/h2o,100star/h2o,h2oai/h2o-2,eg-zhang/h2o-2,eg-zhang/h2o-2,h2oai/h2o-2,rowhit/h2o-2,calvingit21/h2o-2,vbelakov/h2o,calvingit21/h2o-2,vbelakov/h2o,vbelakov/h2o,111t8e/h2o-2,vbelakov/h2o,elkingtonmcb/h2o-2,h2oai/h2o-2,h2oai/h2o-2,111t8e/h2o-2,rowhit/h2o-2,h2oai/h2o,111t8e/h2o-2,calvingit21/h2o-2,h2oai/h2o-2,vbelakov/h2o,h2oai/h2o-2,h2oai/h2o,eg-zhang/h2o-2,100star/h2o,calvingit21/h2o-2,elkingtonmcb/h2o-2,eg-zhang/h2o-2,h2oai/h2o-2,100star/h2o,calvingit21/h2o-2,rowhit/h2o-2,eg-zhang/h2o-2