CFY-645 added update_execution_status call; removed 'statuses' parameter from get deployments execution call
CFY-645 merged from epic branch
CFY-645 fixed update execution status API
CFY-645 small fix to execute deployment
CFY-642 update_execution_status call will now return the updated execution object
Merge branch 'develop' into feature/CFY-642-workflow-framework
Merge pull request #10 from cloudify-cosmo/feature/CFY-642-workflow-framework

Feature/cfy 642 workflow framework