Remove unexisting policies parameter for workflow service
instance contains only sandbox instances
Zone support and generate vault key only if needed
Merge pull request #35 from dmakhno/zone-support

Zone support and generate vault key only if needed
Merge 'master' into 'develop'

Conflicts:
	qubell/api/private/testing/__init__.py
Merge pull request #36 from qubell/develop

Master is 1.26.26.0