title: Yii2 BootstrapAsset is not loading bootstrap.js
body: <p><code>yii\bootstrap\BootstrapAsset</code> is not loading <code>bootstrap.js</code>, and such elements as "modal" and others are not working.</p>
  
  <pre><code>class AppAsset extends AssetBundle {
      public $basePath = '@webroot';
  
      public $baseUrl = '@web';
  
      public $css = [    
          /* theme */
          'css/site.css',
  
          /* jasny bootstrap */
          'public/jasny/css/jasny-bootstrap.min.css',
  
          /* font awesome */
          'public/font-awesome-430/css/font-awesome.min.css',
  
          /* font roboto */
          'public/fonts/roboto/roboto.css',
  
          /* Data Tables */
          'public/datatables/extensions/integration/bootstrap/3/dataTables.bootstrap.css',  
      ];
  
      public $js = [    
          /* jasny bootstrap  */
          'public/jasny/js/jasny-bootstrap.min.js',
  
          /* Data Tables  */
          'public/datatables/datajs.js',
          'public/datatables/media/js/jquery.dataTables.min.js',
          'public/datatables/extensions/integration/bootstrap/3/dataTables.bootstrap.js',               
      ];
  
      public $depends = [
          'yii\web\YiiAsset',
          'yii\bootstrap\BootstrapAsset',
      ];    
  }
  </code></pre>
  
  <p><a href="http://prntscr.com/76z2fa">Here</a> is screen of libraries, <code>bootstrap.js</code> is missing there.</p>