Only use JSONp on calls to Gittip that do not match protocol
Throw together a shell script to cache data for our mock API

Should replace this with something a bit more sane in the future
Add mock API and start using it
We don't actually need widgets.html anymore
Clarify that we're using CORS XHR where we can
Merge pull request #41 from gittip/mock-api

Add a mock API for testing widgets