CLOUD-306 remove poller use exception logic
CLOUD-306 remove poller use correct exception
CLOUD-306 removed unused branch
Merge pull request #396 from sequenceiq/pollfix

LGTM
CLOUD-304 dummy poller exit
CLOUD-304 fixed pollers
CLOUD-304 pollers with exit criteria
CLOUD-304 fixed polling logics
CLOUD-304 fixed changes