v1.9 patch (#6690)

* Merge branch 'master' of https://github.com/kubernetes/website into release-1.9

* 'master' of https://github.com/kubernetes/website:
  [maintenance] December link fixes (#6680)
  Update audit.md (#6381)
  Fixed typo
  concepts/policy/pod-security-policy.md: fix broken links.
  Fixed a typo `illgal`
  Add glossory entry for ReplicaSet

# Conflicts:
#	docs/concepts/policy/pod-security-policy.md
#	docs/tasks/debug-application-cluster/audit.md

* Spelling correction and sentence capitalization.

- Corrected the spelling error for storing, was put in as 'stoing'.
- Capitalized list items.
- Added '.' at end of sentences in the list items.

* Workaround for Jekyllr frontmatter

* fix typo

* Update access-cluster.md with a comment that for IPv6
the user should use [::1] for the localhost

docs/tutorials/stateful-application/web.yaml

@@ -1,4 +1,3 @@
----
 apiVersion: v1
 kind: Service
 metadata:

docs/tutorials/stateful-application/webp.yaml

@@ -1,4 +1,3 @@
----
 apiVersion: v1
 kind: Service
 metadata:
@@ -45,4 +44,4 @@ spec:
       accessModes: [ "ReadWriteOnce" ]
       resources:
         requests:
-          storage: 1Gi
+          storage: 1Gi

docs/tutorials/stateful-application/zookeeper.yaml

@@ -1,4 +1,3 @@
----
 apiVersion: v1
 kind: Service
 metadata: