Yii And Backbonejs

Hello,

Does BackboneJS comes pre loaded in yii installation?

Can I use yii folder structure to use BackboneJS within yii?

or

I have to use this structure?

http://www.yiiframework.com/wiki/390/yiibackboneboilerplate-project-setup-for-your-yii-backbonejs-applications

(I love yii folder structure).

Any good yii/BackboneJS sample projects?

Do you advise of using BackboneJS alternative?

Thx