Redirect tutorials to new site

[tbille]

Summary

Redirect tutorials.ubuntu.com -> ubuntu.com/tutorials

QA

• ./qa-deploy staging sites/ubuntu.com.yaml latest
• curl -I -H 'Host: tutorials.ubuntu.com' http://127.0.0.1/
  • should be redirected to ubuntu.com/tutorials -curl -I -H 'Host: tutorials.ubuntu.com/tutorial/asdf' http://127.0.0.1/
  • should be redirected to ubuntu.com/tutorials/asdf -curl -I -H 'Host: tutorials.ubuntu.com/tutorial/asdf#1' http://127.0.0.1/
  • should be redirected to ubuntu.com/tutorials/asdf#1

[jkfran]

@tbille The QA steps are not good because the path like /tutorial/asdf shouldn't be in the header.

But the redirection is working as expected!