Add license information

* LICENSE file placed to every package
* License information is shown during application creation
* License added to every file

Change-Id: I682f3d9a09d0c0b575206d79223c1822c4b94f27
Closes-Bug: #1446121

Kubernetes/KubernetesPod/package/Classes/KubernetesPod.yaml

@@ -1,3 +1,15 @@
+#  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.
+
 Namespaces:
   =: io.murano.apps.docker.kubernetes
   docker: io.murano.apps.docker