change urls to new GH organization
Remove more links to the airbnb version of the project

Also remove text referring to Rendr as an Airbnb project.
Update `request` module from 2.30.0 to 2.34.0

David-dm was yelling at me because `request` module version was
outdated.

The changelog doesn't seem to have anything that would break the
RestAdapter:

https://github.com/mikeal/request/blob/master/CHANGELOG.md
Bump to 0.5.0, and rendr-handlebars@0.2.0
add coveralls script
make travis run coverage and coveralls
use fixed version in package.json
add coveralls badge to README.md
add missing whitespace

npm --save-dev was changing this all the time
Support nested params in ServerRouter

Recursively call `escapeParams()` on params so we can support nested
params. Otherwise, a querystring like:

    nested[key1]=value1&nested[key2]=value2

becomes

    {
      nested: '[Object object]'
    }
Added two potential fixes to preserve GET parameters.
Removed option 1
Upgrade to Backbone 1.1.2
pass through the location in the headers