Ensure zero time values are not ignored
Make snapshot worker pick up and continue job if possible.
Merge pull request #166 from isethi/remove-qonos

Get rid of qonos=DEBUG in openstack common
Merge pull request #147 from esheffield/sched-zero-fix

Ensure zero time values are not ignored
Added a log line
Merge pull request #163 from esheffield/worker-continue-job

Make snapshot worker pick up and continue job if possible.
Validation framework for schedules