Merge pull request #18 from houshengbo/add-notice

Add the NOTICE file
diff --git a/NOTICE.md b/NOTICE.md
new file mode 100644
index 0000000..59c6d70
--- /dev/null
+++ b/NOTICE.md
@@ -0,0 +1,5 @@
+Apache OpenWhisk Runtime Docker
+Copyright 2016-2018 The Apache Software Foundation
+
+This product includes software developed at
+The Apache Software Foundation (http://www.apache.org/).