Adding node ports to specify static node port numbers for XOS services

Change-Id: Ib0a1ecd32d54d6aef3fa97f88a6626b1c234d6c2
diff --git a/xos-core/templates/_helpers.tpl b/xos-core/templates/_helpers.tpl
index 399c79a..2d2afb7 100644
--- a/xos-core/templates/_helpers.tpl
+++ b/xos-core/templates/_helpers.tpl
@@ -1,3 +1,20 @@
+
+{{- /* 
+ 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. 
+ */ -}}
+
 {{- define "xos-core.release_labels" }}
 app: {{ printf "%s-%s" .Release.Name .Chart.Name | trunc 63 }}
 version: {{ .Chart.Version }}