code: function findView(app, name) {
      var keys = app.viewTypes.renderable;
      var len = keys.length;
      var i = -1;
  
      var res = null;
      while (++i < len) {
        res = app.find(name, keys[i]);
        if (res) {
          break;
        }
      }
      return res;
    }
docs: Iterates over `renderable` view collections
  and returns the first view that matches the
  given `view` name