Separated the dashboard task counts into states.


![screen shot 2014-11-17 at 2 56 58 pm](https://cloud.githubusercontent.com/assets/933586/5076588/21ec0b14-6e6a-11e4-8893-7ab41a28dfde.png)
Added a breakdown of the tasks into types, which is more useful
than just specifying count and the number with volunteers. Also
changed the style a bit to organize the information more clearly.

Fixes #395