Update User Guide and Admin links to point to new resources. (#3438)

* Update links to outdated user-guide and admin docs

* Add script for updating outdated links.

* Update regex to include init-containers file.

* Pull upstream, rewrite links in and to namespaces walkthrough.

docs/getting-started-guides/clc.md

@@ -269,7 +269,7 @@ distributed with OSX.
 ### Accessing the cluster with a browser
 
 We install two UIs on Kubernetes. The original KubeUI and [the newer kube
-dashboard](/docs/user-guide/ui/). When you create a cluster, the script should output URLs for these
+dashboard](/docs/tasks/web-ui-dashboard/). When you create a cluster, the script should output URLs for these
 interfaces like this:
 
 KubeUI is running at ```https://${MASTER_IP}:6443/api/v1/namespaces/kube-system/services/kube-ui/proxy```
@@ -323,7 +323,7 @@ Then, you can access urls like ```http://127.0.0.1:8001/api/v1/namespaces/kube-s
 
 These are the known items that don't work on CenturyLink cloud but do work on other cloud providers:
 
-- At this time, there is no support services of the type [LoadBalancer](/docs/user-guide/load-balancer/). We are actively working on this and hope to publish the changes sometime around April 2016.
+- At this time, there is no support services of the type [LoadBalancer](/docs/tasks/access-application-cluster/create-external-load-balancer/). We are actively working on this and hope to publish the changes sometime around April 2016.
 
 - At this time, there is no support for persistent storage volumes provided by
   CenturyLink Cloud. However, customers can bring their own persistent storage