Several spacing and tooltip fixes.

Fixed several spacing and margin issues, as well as improved some tooltips.

Screenshots:
![Screen Shot 2013-02-02 at 2 41 06 PM](https://f.cloud.github.com/assets/1118185/120819/638b3420-6d3e-11e2-8303-6f3513819ab2.png)
![Screen Shot 2013-02-02 at 3 54 23 PM](https://f.cloud.github.com/assets/1118185/120898/d33aaf22-6d4c-11e2-88d4-972bddfa15af.png)

![Screen Shot 2013-02-02 at 2 41 12 PM](https://f.cloud.github.com/assets/1118185/120820/6390f18a-6d3e-11e2-90ee-104e42bdd8b1.png)

![Screen Shot 2013-02-02 at 2 41 18 PM](https://f.cloud.github.com/assets/1118185/120821/63a23990-6d3e-11e2-9afb-dbfb82197ce9.png)
![Screen Shot 2013-02-02 at 2 41 56 PM](https://f.cloud.github.com/assets/1118185/120840/63880472-6d42-11e2-8167-b669e5db7971.png)