Change image tag to 'master' for development

Change-Id: Iced1eb4e0e1455f8be269075f71158f5ac6c471a
diff --git a/xos-core/templates/ws-deployment.yaml b/xos-core/templates/ws-deployment.yaml
index ebd428e..0710c11 100644
--- a/xos-core/templates/ws-deployment.yaml
+++ b/xos-core/templates/ws-deployment.yaml
@@ -17,7 +17,7 @@
 metadata:
   name: xos-ws
   labels:
-    app: xos-ws    
+    app: xos-ws
 spec:
   replicas: 1
   template:
@@ -28,6 +28,7 @@
       containers:
         - name: xos-ws
           image: {{ .Values.pull_docker_registry }}{{ .Values.images.xos_ws.repository }}:{{ .Values.images.xos_ws.tag }}
+          imagePullPolicy: {{ .Values.images.xos_ws.pullPolicy }}
           command: ["npm", "start", "--",  "--config", "gateway-config.yml"]
           ports:
             - containerPort: 3000
@@ -40,7 +41,7 @@
       volumes:
         - name: gateway-config
           configMap:
-            name: xos-gateway 
-            items: 
+            name: xos-gateway
+            items:
              - key: config
                path: config/gateway-config.yml
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