Move StatefulSet topics. (#3659)

* Move StatefulSet topics.

* Fix toc paths.

_data/tasks.yml

@@ -47,6 +47,9 @@ toc:
   - docs/tasks/run-application/run-single-instance-stateful-application.md
   - docs/tasks/run-application/run-replicated-stateful-application.md
   - docs/tasks/run-application/upgrade-pet-set-to-stateful-set.md
+  - docs/tasks/run-application/scale-stateful-set.md
+  - docs/tasks/run-application/delete-stateful-set.md
+  - docs/tasks/run-application/force-delete-stateful-set-pod.md
   - docs/tasks/run-application/rolling-update-replication-controller.md
   - docs/tasks/run-application/horizontal-pod-autoscale.md
   - docs/tasks/run-application/horizontal-pod-autoscale-walkthrough.md
@@ -80,6 +83,7 @@ toc:
   - docs/tasks/debug-application-cluster/debug-service.md
   - docs/tasks/debug-application-cluster/debug-cluster.md
   - docs/tasks/debug-application-cluster/debug-application.md
+  - docs/tasks/debug-application-cluster/debug-stateful-set.md
   - docs/tasks/debug-application-cluster/debug-application-introspection.md
   - title: Using Explorer to Examine the Runtime Environment
     path: https://github.com/kubernetes/kubernetes/tree/release-1.5/examples/explorer
@@ -121,13 +125,6 @@ toc:
   - docs/tasks/administer-federation/replicaset.md
   - docs/tasks/administer-federation/secret.md
 
-- title: Managing Stateful Applications
-  section:
-  - docs/tasks/manage-stateful-set/scale-stateful-set.md
-  - docs/tasks/manage-stateful-set/deleting-a-statefulset.md
-  - docs/tasks/manage-stateful-set/debugging-a-statefulset.md
-  - docs/tasks/manage-stateful-set/delete-pods.md
-
 - title: Managing Cluster Daemons
   section:
   - docs/tasks/manage-daemon/update-daemon-set.md