CFY-1662 add test to reproduce problem
CFY-1662 extend test to also test contained_instances feature
CFY-1662 try killing celery processes a little harder
CFY-1662 wait for tasks to end in modification workflows
CFY-1662 when deployment creation fails in integration tests, print management celery logs
CFY-1662 fix kill command
CFY-1662 truncate debug error
CFY-1662 recreate es shema each test
CFY-1662 create deployment environment only after creating and waiting for node instances
CFY-1662 restore reference to master branch
Merge pull request #169 from cloudify-cosmo/CFY-1662-dep-mod-rel-ops

Cfy 1662 dep mod rel ops