title: ionic - there is a way to delete the cache in controller method?
body: <p>I know how to make the cache cleared for view : </p>
  
  <pre><code>  .state('app.list', {
      cache : false,
      url: "/lists/:listId",
      views: {
        'menuContent': {
          templateUrl: "templates/listDashboard.html",
          controller: 'listDashboardCtrl'
        }
      }
    })
  </code></pre>
  
  <p>, but I need something else - delete all the cache for the app in controller method. how to do it?</p>