For non-XOS charts, use a global registry var, split docker image name/tag/pullPolicy

Change-Id: Icffc569e2c152e0b413f4c7b7d9a546bd9a3ef58
diff --git a/examples/xossh-candidate.yaml b/examples/xossh-candidate.yaml
index c184c49..a3446b1 100644
--- a/examples/xossh-candidate.yaml
+++ b/examples/xossh-candidate.yaml
@@ -13,6 +13,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-# tools
-xosshImage: 'xosproject/xos-client:candidate'
-imagePullPolicy: 'IfNotPresent'
\ No newline at end of file
+# Use locally created xos-client container with xos-tools/xossh chart
+image:
+  tag: 'candidate'
+  pullPolicy: 'IfNotPresent'