Missing licence info added in pom file

- Added licence info to files that were missing it
- Fixed licence info to match with the creator of the file

Issue-ID: CPS-467
Signed-off-by: shivasubedi <shiva.subedi@est.tech>
Change-Id: I1c0eaedb2c87743a61a1cd58f33b0d0d04b3a977
diff --git a/version.properties b/version.properties
index 74c57ef..e9cf703 100755
--- a/version.properties
+++ b/version.properties
@@ -1,3 +1,20 @@
+#  ============LICENSE_START=======================================================
+#  Copyright (C) 2021 Nordix 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.
+#
+#  SPDX-License-Identifier: Apache-2.0
+#  ============LICENSE_END=========================================================
+
 # Note that these variables cannot be structured (e.g. : version.release or version.snapshot etc... )
 # because they are used in Jenkins, whose plug-in doesn't support this