Tagged by CORD Jenkins version-tag job: 2103, for Gerrit patchset: 14775
Read airflow connection parameters properly
Read configuration json file properly even if it doesn't define all parameters
Add emit command to workflow_ctl
Add some example commands for emit message & register essence
Make docker-compose configuration files to allow communication between containers
Rework kickstarter as api_client does not work properly

Change-Id: I59d00bfe17027a7ab367e6acde6a9eaaed3b6937
28 files changed