Add hyperloop CLI script
Add thor gem to gemspec
Add CLI class
Fix load path stuff in executable
Add stub `hyperloop new SITENAME` command
Add stubbed site generator

* Add Hyperloop::Generators::Site
* Mainly just copy example from
  https://github.com/radar/guides/blob/5a1d3e3622fbdcc3580f8ca92ccc90436b5cb6e5/gem-development.md#writing-a-generator
Generate real app template
Fix `hyperloop new` description
Add nav to generator template
Add JS assets to generator
Fix assets in production
Don't use relative path in config.ru
Munge JS during compression
Newline in generator CoffeeScript
Add stylesheets to generator
Add image to generator
Fix image copying in generator

* Don't try to evaluate the image as an ERB template lol
Add alt to generator root image

* /cc @jessicard
Fix # when generated JS link is clicked

* /cc @jessicard
Move app.js bundle to end of generated app layout

* /cc @jessicard @fabianperez