Improve design of important notes

* Add important notes to publication table
* Remove divider between title and tabs, the tabs themselves this distinction
* Give the important note a title and make it less garish

## Before
![screen shot 2014-10-29 at 12 06 06](https://cloud.githubusercontent.com/assets/319055/4825356/367d882e-5f64-11e4-991e-1629f54a7070.png)

## After
![screen shot 2014-10-29 at 12 05 30](https://cloud.githubusercontent.com/assets/319055/4825359/3a45e866-5f64-11e4-93b8-afbb9625cc0a.png)

![screen shot 2014-10-27 at 14 02 01](https://cloud.githubusercontent.com/assets/319055/4791927/de89c282-5de1-11e4-9948-3846b1814e87.png)