CBQE-1531: add cluster shutdown  if setup is failed

Change-Id: I7ee036289a2ffc00c75df8a39ffb5082fe127996
Reviewed-on: http://review.couchbase.org/29621
Reviewed-by: Iryna Mironava <irynamironava@yandex.ru>
Tested-by: Iryna Mironava <irynamironava@yandex.ru>