Fixing bugs in the example templates for 3.0.0

Fixed the formatting of the `navbar-brand` and got the `navbar-toggle` to work in the example templates.
Before
![before](https://f.cloud.github.com/assets/1160240/300989/237edb9e-95b5-11e2-960e-75bf81a42bc0.png)

After
![after](https://f.cloud.github.com/assets/1160240/300994/445a175c-95b5-11e2-96d6-c63e03292fdd.png)