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

Change-Id: I5869c36b8b716cab02ae12a343969c4feeacf5fb
diff --git a/xos/synchronizer/__init__.py b/xos/synchronizer/__init__.py
index 8bbb6fa..19d1424 100644
--- a/xos/synchronizer/__init__.py
+++ b/xos/synchronizer/__init__.py
@@ -1,5 +1,4 @@
-
-# Copyright 2017-present Open Networking Foundation
+# Copyright 2019-present Open Networking Foundation
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -11,4 +10,4 @@
 # distributed under the License is distributed on an "AS IS" BASIS,
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
-# limitations under the License.
\ No newline at end of file
+# limitations under the License.