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.
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
underscore.js noConflict support
reference and not copy
Upgrade QUnit to 1.11.0 (Use version in filename)
Upgrading JQuery from 1.7.1 to 1.9.1
Merge pull request #29 from jengdal/master

underscore.js noConflict support
Merge pull request #30 from dhui/upgrade_test_libs

Upgrade test libs
Tests: add checkbox to load Backbone+Underscore master
Some proper documentation.