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
diff --git a/src/tools/config.json b/src/tools/config.json
new file mode 100644
index 0000000..601d686
--- /dev/null
+++ b/src/tools/config.json
@@ -0,0 +1,4 @@
+{
+    "controller_url": "http://controller:3030",
+    "airflow_bin": "/usr/local/bin"
+}