Bullet points do not perturbate vertical rhythm

There was too much space between the first and second lines of text in lists. This fixes it.

### Before
![screen shot 2013-09-09 at 15 28 53](https://f.cloud.github.com/assets/85783/1107423/ceb4c124-195c-11e3-9bcd-3c91379a0afa.PNG)


### After

![screen shot 2013-09-09 at 15 29 00](https://f.cloud.github.com/assets/85783/1107426/d183cbf2-195c-11e3-9198-fff177c244ed.PNG)


![ ](http://s1.developerslife.ru/public/images/gifs/a80ec80e-957f-4ec4-a848-a8c374b1dbed.gif)