add support for handlebars intl helpers
add some helpers from the Pure Site to help with documentation
update package.json by adding intl libraries, bower
add bower.json
add RainbowJS to main.hbs layout
Initial commit of books intl example

This example is pulled from the full-intl repo
https://github.com/ericf/full-intl
add link to /handlebars/ route from home page
add basic CSS for examples
add links to /handlebars/