CFY-768 use new plan structure and seperate node/relationships from node_instances/relationship_instances
CFY-768 update workflow framework to use the rest API to retrieve node and node instances instead of using the injected plan
CFY-768 fixes and workarounds
CFY-768 travis, dev
Merge branch 'develop' into feature/CFY-768-reduce-plan-size
CFY-768 remove workaround
CFY-768 flake8
CFY-768 revert changes
Merge pull request #12 from cloudify-cosmo/feature/CFY-768-reduce-plan-size

Reduce plan size