SEBA-497 delayering, Makefile, and tox for att-workflow-drvier

Change-Id: I5869c36b8b716cab02ae12a343969c4feeacf5fb
diff --git a/xos/synchronizer/att-workflow-driver-synchronizer.py b/xos/synchronizer/att-workflow-driver-synchronizer.py
index 9b420e7..9ea2e25 100644
--- a/xos/synchronizer/att-workflow-driver-synchronizer.py
+++ b/xos/synchronizer/att-workflow-driver-synchronizer.py
@@ -1,3 +1,4 @@
+#!/usr/bin/env python
 
 # Copyright 2017-present Open Networking Foundation
 #
@@ -13,9 +14,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-
-#!/usr/bin/env python
-
 # This imports and runs ../../xos-observer.py
 
 import os
@@ -31,4 +29,4 @@
 else:
     Config.init(base_config_file, 'synchronizer-config-schema.yaml')
 
-Synchronizer().run()
\ No newline at end of file
+Synchronizer().run()