Fetch jquery-i18n, Mustache.js, Strophe.js & Strophe-Plugins deps from Bower
Fix jQuery reference
Add basic test infrastructure with Intern, Sauce Labs and Travis CI
Start testing some parts of Candy.Util

These are simple unit tests to get us started. Because of our dependency on jQuery, we cannot run these specs in node.js; they must run in a browser which defines window. Maybe we could look at PhantomJS for the quick test run (`grunt watch`) to avoid requiring a connection to SauceLabs.