rsvpAjax.js

var ajaxPromise = function(url, options){
  return Ember.RSVP.Promise(function(resolve, reject) {

    var options = options || {};

    options.success = function(data){
      resolve(data);
    };

    options.error = function(jqXHR, status, error){
      reject(arguments);
    };

    Ember.$.ajax(url, options);
  });
};