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

Change-Id: I7f3457882830de050d1357254fc5483faf91d03f
diff --git a/xos-profiles/base-kubernetes/requirements.yaml b/xos-profiles/base-kubernetes/requirements.yaml
index 6d0ea7e..ff2de09 100644
--- a/xos-profiles/base-kubernetes/requirements.yaml
+++ b/xos-profiles/base-kubernetes/requirements.yaml
@@ -15,7 +15,7 @@
 
 dependencies:
 - name: kubernetes
-  version: 1.0.1-dev
+  version: 1.0.4
   repository: file://../../xos-services/kubernetes