CORD-2741 implement VERSION file discovery for xos python libraries

Change-Id: Ife67b0066d5fd54958e1b1de3c5b3758ac9d3ca6
diff --git a/lib/xos-genx/xosgenx/version.py b/lib/xos-genx/xosgenx/version.py
new file mode 100644
index 0000000..a118c43
--- /dev/null
+++ b/lib/xos-genx/xosgenx/version.py
@@ -0,0 +1,19 @@
+
+# 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.
+
+import os
+
+# This file will be replaced by setup.py
+__version__ = "unknown"