Update mocha to 1.12.0.
Update chai to 1.7.2.
Remove should syntax in mocha-rails.
Add Sinon.JS.

Standalone test spies, stubs and mocks for JavaScript.
Remove jquery from application.js

We don't need jQuery.
Rename mocha_rails to mocha-rails.

Consistent with naming conventions of other projects (Eg: jquery-rails).
Remove jquery-rails dependency.
Continue rename.
Fix constant scope.
Formatting.

* Single quote strings.
* Whitepsace.
Rename mocha-suite to suite.js.

* Remove the need for underscore or hyphen.
* Rename mocha-rails -> configuration.
Change default mount path to /specs.
Update README.
Replace references to MochaRails with Mocha::Rails.