[CORD-1685] Adding copyright informations

Change-Id: I1e39876102bcca9e05992c3b935b117118d5cd49
diff --git a/xos/admin.py b/xos/admin.py
index 5b8071c..afa0f71 100644
--- a/xos/admin.py
+++ b/xos/admin.py
@@ -1,4 +1,20 @@
 
+# Copyright 2017-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.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# 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.
+
+
+
 from core.admin import ReadOnlyAwareAdmin, SliceInline
 from core.middleware import get_request
 from core.models import User