XOS/NEM charts, use a global registry var, split docker image name/tag/pullPolicy

Change-Id: I7f3457882830de050d1357254fc5483faf91d03f
diff --git a/xos-services/kubernetes/Chart.yaml b/xos-services/kubernetes/Chart.yaml
index e565a0e..1377a99 100644
--- a/xos-services/kubernetes/Chart.yaml
+++ b/xos-services/kubernetes/Chart.yaml
@@ -15,4 +15,10 @@
 
 name: kubernetes
 description: A Helm chart for XOS's "kubernetes" service
-version: 1.0.1-dev
+icon: https://guide.opencord.org/logos/cord.svg
+
+version: 1.0.4
+appVersion: 1.0.4
+
+
+