SEBA-566 Add linting and fix errors in att-workflow-driver

Change-Id: I64e66a15ead484be2b634a9b1d9b212f9b303014
diff --git a/VERSION b/VERSION
index cb7e5f6..fb9818b 100644
--- a/VERSION
+++ b/VERSION
@@ -1,2 +1,2 @@
-1.2.0
+1.2.1-dev