Update virtlet deployment procedure.

Added dockershim service.
Removed kubelet.conf as not required.
Bump version to v0.8.0.

Change-Id: I6527213b3db3c8e9f2a5f1e8349624f9353fccaa
diff --git a/tests/pillar/master_contrail.sls b/tests/pillar/master_contrail.sls
index 862bb9a..4719e3d 100644
--- a/tests/pillar/master_contrail.sls
+++ b/tests/pillar/master_contrail.sls
@@ -39,7 +39,7 @@
       virtlet:
         enabled: true
         namespace: kube-system
-        image: mirantis/virtlet:v0.7.0
+        image: mirantis/virtlet:v0.8.0
         hosts:
         - cmp01
         - cmp02