Using the master tag for xossh and providing an override file

Change-Id: I61aa0ad903da55ad2ea745bc022bd94524c5aada
diff --git a/xos-tools/xossh/values.yaml b/xos-tools/xossh/values.yaml
index 9fcdf22..6ed3137 100644
--- a/xos-tools/xossh/values.yaml
+++ b/xos-tools/xossh/values.yaml
@@ -25,10 +25,9 @@
 nameOverride: ""
 fullnameOverride: ""
 
-image:
-  repository: xosproject/xos-client
-  tag: candidate
-  pullPolicy: IfNotPresent
+imagePullPolicy: IfNotPresent
+
+xosshImage: 'xosproject/xos-client:master'
 
 resources: {}