my_backbone_shim.js

// Set ``Resource.Meta.always_return_data = True`` first, then...

var relative_root = '/api/v1/';

window.HelmModel = Backbone.Model.extend({
    urlRoot: relative_root,

    base_url: function() {
      var temp_url = Backbone.Model.prototype.url.call(this);
      return (temp_url.charAt(temp_url.length - 1) == '/' ? temp_url : temp_url+'/');
    },

    url: function() {
      return this.base_url();
    }
});

window.HelmCollection = Backbone.Collection.extend({
    parse: function(response) {
        this.recent_meta = response.meta || {};
        return response.objects || response;
    }
});


// Sample usage:
window.Entry = HelmModel.extend({
    urlRoot: relative_root+'entries/'
});