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

Change-Id: I6dc4bd70fcaf230d019dda871c2d8c4cfb92c7e7
diff --git a/xos-profiles/demo-simpleexampleservice/requirements.yaml b/xos-profiles/demo-simpleexampleservice/requirements.yaml
index eccfaa9..91ca512 100644
--- a/xos-profiles/demo-simpleexampleservice/requirements.yaml
+++ b/xos-profiles/demo-simpleexampleservice/requirements.yaml
@@ -16,5 +16,5 @@
 
 dependencies:
 - name: simpleexampleservice
-  version: 1.0.0
+  version: 1.0.1
   repository: file://../../xos-services/simpleexampleservice