Update the cAdvisor manifest for the new volume type.

Closes #559

cluster/saltbase/salt/cadvisor/cadvisor.manifest

@@ -8,19 +8,25 @@ containers:
         containerPort: 8080
         hostPort: 5000
     volumeMounts:
-      - name: var-run
+      - name: varrun
         mountPath: /var/run
         readOnly: false
-        mountType: HOST
-      - name: var-lib-docker
+      - name: varlibdocker
         mountPath: /var/lib/docker
         readOnly: true
-        mountType: HOST
       - name: cgroups
         mountPath: /sys/fs/cgroup
         readOnly: true
-        mountType: HOST
 volumes:
-  -name: var-run
-  -name: var-lib-docker
-  -name: var-cgroups
+  - name: varrun
+    source:
+      hostDir:
+        path: /var/run
+  - name: varlibdocker
+    source:
+      hostDir:
+        path: /var/lib/docker
+  - name: cgroups
+    source:
+      hostDir:
+        path: /sys/fs/cgroup