CFY-780 fixed tests and changed camelcase to underscore in json requests
CFY-780 removed debug code
CFY-780 fixed rest api responses
CFY-780 fixed unit tests
CFY-780 get execution by id when verifying there are no running executions on workflow execution
CFY-646 modified testenv
Merge pull request #46 from cloudify-cosmo/feature/CFY-780-camelcase-to-underscore

Feature/cfy 780 camelcase to underscore
CFY-646 merge commit