Merge pull request #14 from jengdal/master

Use a local reference to the Backbone object.
Update test dependencies
Update backbone-relational
Update jQuery to 1.7.1
Add option to perform an extra GET on empty response to a PUT, or disable this behavior on POST. Fixes #12
Add 'Backbone.Tastypie.apiKey' setting, which generates an 'Authentication' header. Closes #5
Set auth headers for the extra GET on an empty POST response as well. Fixes #18.
Adding a commonJS shim

This way we can use backbone-tastypie in nodejs
Fixed Model's url generation if urlRoot is a function

Backbone 0.9.0 introduced a change to allow Model#urlRoot to be a
function or value – this fixes Model#url to work with both types.
Tastypie SessionAuthentication support
Merge pull request #23 from jordanvg/master

Add Tastypie SessionAuthentication support
Merge pull request #21 from TwoApart/master

Adding a commonJS shim
Merge pull request #22 from anttihirvonen/master

Allow Model#urlRoot to be defined as a function
Update the `error` callback to work with Backbone 0.9.9 (succes callbacks were changed post 0.9.9).
Allow Collection#url use `urlRoot` as a function (both on itself, and on Model)
Update backbone to 0.9.10, along with Underscore and backbone-relational.js

Currently broken; see https://github.com/PaulUithol/backbone-tastypie/pull/25
Update success/error callbacks for compatibility with Backbone 0.9.10. See #25
Clean setting headers up a bit
Sync version numbers between files
Fix readme typo