Fix to auto-include component's *.styl files...

After the fix we will able to auto-include compent's style files like that:
```js
app.loadStyles(path.join(__dirname, '../styles'), {
  use: function(s){
    Object.keys(app.views.nameMap).forEach(function(viewName){
      var view = app.views.nameMap[viewName];

      if (view.componentFactory){
        var style = view.componentFactory.constructor.prototype.style;
        if (style) s.include(style);
      }
    });
  }
});
```