Multinode jobs did not run sanity checks for all the hosts,
only primary. Now they check all.
Additionally upgrades are now checked using the proper
(pre-upgrade) scripts (not that it matters too much as they
are the same atm) and both checks are done, not only failures,
but also config.
Change-Id: I10552e256edbddd5b1f8a8a7f8805262e72ce8d8
Signed-off-by: Radosław Piliszek <radoslaw.piliszek@gmail.com>