move CSS file to subfolder- styles.css colision

```
Could you please move this file to some special subfolder like tokenfield

because there are collisions  with other plugins like wizards-for-vaadin.

Compiled code contains either one styles.css or another not both.
Thank you
PS good job
```

Original issue reported on code.google.com by `peter.pr...@gmail.com` on 17 Oct 2012 at 1:28
