Whitespace
Add google analytics package
Track API Requests

There won't be any location data associated with these requests, but if
there were it might only be the requesting server's IP, so I don't think
that'd be very useful.
Use explicit Router in our server

- Use Router.param to do our avatar determination
- Use Router.use to do our tracking
- Use Router.VERB for our route-setting
Whitespace
Merge pull request #16 from adorableio/api_tracking

API Tracking
Merge branch 'master' into feature/potato-face

* master:
  Whitespace
  Use explicit Router in our server
  Track API Requests
  Add google analytics package
  Whitespace

Conflicts:
	lib/imager.coffee
	lib/webserver.coffee
Rename callback

It's sending an image, we're setting that header.