Add test scripts
Add model-accessor for model-operator
Add more sample workflows
Rework AT&T workflow

Change-Id: I33b5713e221c70bdde5768f1061c06dbbb1dccd6
diff --git a/docker/docker-compose.yml b/docker/docker-compose.yml
index 3f14ec5..89ddc3d 100644
--- a/docker/docker-compose.yml
+++ b/docker/docker-compose.yml
@@ -27,13 +27,13 @@
             - "5432:5432"
 
     controller:
-        image: opencord/cord-workflow-controller:0.5.0
+        image: opencord/cord-workflow-controller:0.5.2
         ports:
             - "3030:3030"
 
     airflow:
         # image: opencord/cord-workflow-airflow
-        image: cord-workflow-airflow:0.5.0
+        image: cord-workflow-airflow:0.5.1
         restart: always
         depends_on:
             - postgres