Add license header to misc.py

Change-Id: If9c61bd605059ff5005cadabd3c83aebd75e346f

backend/api/decapod_api/views/v1/misc.py

@@ -1,4 +1,18 @@
 # -*- coding: utf-8 -*-
+# Copyright (c) 2017 Mirantis Inc.
+#
+# 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.
 
 
 import contextlib