Changes for move to Netlify (#4464)

* disable jekyll-redirect-from gem

* add _redirects file

* disable 404 redirect script

* add 301 redirect to test

* retain _redirects file

* Convert redirect_from's to _redirect file. (#4409)

* Remove redirect_from's. (#4424)

* Add 301's to _redirects. (#4427)

* add whitespace before 301

* move redirects in /js/redirects/js to _redirects

* add disabled option for cn redirect

* convert include to array in _config.yml

* enable redirects.js script for legacy support

docs/concepts/overview/what-is-kubernetes.md

@@ -3,10 +3,8 @@ assignees:
 - bgrant0607
 - mikedanese
 title: What is Kubernetes?
-redirect_from:
-- "/docs/whatisk8s/"
-- "/docs/whatisk8s.html"
 ---
+
 {% capture overview %}
 This page is an overview of Kubernetes.
 {% endcapture %}
@@ -19,7 +17,7 @@ With Kubernetes, you are able to quickly and efficiently respond to customer dem
  - Deploy your applications quickly and predictably.
  - Scale your applications on the fly.
  - Roll out new features seamlessly.
- - Limit hardware usage to required resources only. 
+ - Limit hardware usage to required resources only.
 
 Our goal is to foster an ecosystem of components and tools that relieve the burden of running applications in public and private clouds.