For non-XOS charts, use a global registry var, split docker image name/tag/pullPolicy

Change-Id: Icffc569e2c152e0b413f4c7b7d9a546bd9a3ef58
diff --git a/mavenrepo/templates/deployment.yaml b/mavenrepo/templates/deployment.yaml
index 4de9fb7..a222c06 100644
--- a/mavenrepo/templates/deployment.yaml
+++ b/mavenrepo/templates/deployment.yaml
@@ -28,8 +28,8 @@
     spec:
       containers:
         - name: mavenrepo
-          image: {{ .Values.mavenRepoImage }}
-          imagePullPolicy: {{ .Values.imagePullPolicy }}
+          image: {{ .Values.global.registry }}{{ .Values.image.repository }}:{{ tpl .Values.image.tag . }}
+          imagePullPolicy: {{ .Values.image.pullPolicy }}
           ports:
             - containerPort: 80
               port: 80