Adding a table of tasks in the detail view

Adding a default button style and converting the actions to buttons as well. It appears that there's a general convention of actions being in the upper right of the window right now.

![screenshot 2013-12-05 16 34 39](https://f.cloud.github.com/assets/47992/1688724/3b0ea506-5e0e-11e3-817b-b3da03e231e3.png)