Updated descriptions and added headers and into statements
Edited the redirect requests section and clarified steps in example
Replaced GCE with Google Compute Engine
Added two statements about the required forward slashes and inserted a '/' into each example.
Per issue 7502, replaced all instances of “v1beta1/proxy” with
“v1beta3/proxy/namespaces/default” and “v1beta1/redirect” with
“v1beta3/redirect/namespaces/default”. Also removed all trailing ‘/‘
forward slashes.
Removed trailing whitespace that caused sync error
Removed whitespace after “for the Kubernetes master followed by
`/api/v1beta3/proxy/namespaces/default/services/myservice/alpha/beta/gam
ma`. “
