Multimedia container

- [fix] Collection of items in a containers without a title is aligned properly (with a margin for the left space left vacant by the missing title)
- [new] Media tone
- [new] Multimedia container has full width banding (first iteration)

### Mobile

![screen shot 2014-05-14 at 12 42 51](https://cloud.githubusercontent.com/assets/85783/2970590/9bfa0e6a-db5d-11e3-940b-0a8279470697.PNG)


### Tablet

![screen shot 2014-05-14 at 12 42 42](https://cloud.githubusercontent.com/assets/85783/2970591/a0ac3334-db5d-11e3-82c8-a03b2630d303.PNG)


### Desktop

![screen shot 2014-05-14 at 12 42 32](https://cloud.githubusercontent.com/assets/85783/2970592/a532078a-db5d-11e3-88bf-359cc28fb4d7.PNG)

![high-five-knailed-it](https://cloud.githubusercontent.com/assets/85783/2970631/3cb25d94-db5e-11e3-9e32-0c1915fe6d1c.gif)