Merge branch 'master' of https://github.com/kubernetes/kubernetes.github.io into release-1.6

* 'master' of https://github.com/kubernetes/kubernetes.github.io:
  fix the command output
  delete invalid link
  Revert "fix the command output"
  fix the command output
  Delete the useless spaces
  Dollar signs used before commands without showing output
  bare-url-used
  Fix typo in authorization docs
  Update networking.md

docs/concepts/cluster-administration/networking.md

@@ -107,6 +107,10 @@ imply any preferential status.
 
 [Contiv](https://github.com/contiv/netplugin) provides configurable networking (native l3 using BGP, overlay using vxlan,  classic l2, or Cisco-SDN/ACI) for various use cases. [Contiv](http://contiv.io) is all open sourced.
 
+### Contrail
+
+[Contrail](http://www.juniper.net/us/en/products-services/sdn/contrail/contrail-networking/), based on [OpenContrail](http://www.opencontrail.org), is a truly open, multi-cloud network virtualization and policy management platform. Contrail / OpenContrail is integrated with various orchestration systems such as Kubernetes, OpenShift, OpenStack and Mesos, and provides different isolation modes for virtual machines, containers/pods and bare metal workloads.
+
 ### Flannel
 
 [Flannel](https://github.com/coreos/flannel#flannel) is a very simple overlay

docs/concepts/storage/volumes.md

@@ -44,9 +44,9 @@ medium that backs it, and the contents of it are determined by the particular
 volume type used.
 
 To use a volume, a pod specifies what volumes to provide for the pod (the
-[`spec.volumes`](http://kubernetes.io/kubernetes/third_party/swagger-ui/#!/v1/createPod)
+`spec.volumes`
 field) and where to mount those into containers(the
-[`spec.containers.volumeMounts`](http://kubernetes.io/kubernetes/third_party/swagger-ui/#!/v1/createPod)
+`spec.containers.volumeMounts`
 field).
 
 A process in a container sees a filesystem view composed from their Docker