Remove unneeded files
Update `template.hbs`

* Fix `Hello World Guide` link.
* Use `https` where possible.
* Specify the language of the HTML document
  (for more information on why that is important, see:
   https://github.com/h5bp/html5-boilerplate/issues/1542).
Add @alrra
drew a picture
Merge pull request #626 from alrra/add-alrra

Merging PR from @alrra