Allow custom kopf and kibana public ports (#178)

* Allow custom kopf and kibana public ports

* kopf public port is now required

* kibana public port is now required

templates/kibana/1/docker-compose.yml

@@ -1,6 +1,6 @@
 kibana-vip:
   ports:
-  - 80:80
+  - "${public_port}:80"
   restart: always
   tty: true
   image: rancher/load-balancer-service

templates/kibana/1/rancher-compose.yml

@@ -9,6 +9,13 @@
       type: "service"
       required: true
       default: "es/elasticsearch-clients"
+    - variable: "public_port"
+      label: "Public Port"
+      description: "Unique public port for Kibana"
+      type: "int"
+      default: 80
+      required: true
+
 nginx-proxy:
   metadata:
     nginx: