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

Change-Id: I7f3457882830de050d1357254fc5483faf91d03f
diff --git a/sadis-server/Chart.yaml b/sadis-server/Chart.yaml
index 985e029..ea3f0e1 100644
--- a/sadis-server/Chart.yaml
+++ b/sadis-server/Chart.yaml
@@ -13,4 +13,5 @@
 # limitations under the License.
 
 name: sadis-server
-version: 1.0.0-dev
+version: 1.0.1
+appVersion: latest