old_contents: var Router = Ember.Router.extend(); // ensure we don't share routes between all Router instances
  
  Router.map(function() {
    this.route('about');
    this.route('login');
    this.route('component-test');
    this.route('helper-test');
    this.resource('sensors', function() {
        this.resource('sensor', { path:'/:sensor_id' }, 
          function() {
            this.resource('sensordata', {
                path: '/data/:data_id'
              });
          });
    });
    this.resource('accesses', function() {
        this.resource('access', { path:'/:access_id' });
    });
  });
  
  export default Router;
  
new_contents: var Router = Ember.Router.extend(); // ensure we don't share routes between all Router instances
  
  Router.map(function() {
    this.route('about');
    this.route('login');
    this.resource('sensors', function() {
        this.resource('sensor', { path:'/:sensor_id' }, 
          function() {
            this.resource('sensordata', {
                path: '/data/:data_id'
              });
          });
    });
    this.resource('accesses', function() {
        this.resource('access', { path:'/:access_id' });
    });
  });
  
  export default Router;
  
subject: Remove component and helper routes