Patternfly formbuttons 5

Added btn-danger class; converted image-based form buttons to Patternfly btn class buttons; cleaned up code.

Before:
![screen shot 2014-08-12 at 9 51 51 am](https://cloud.githubusercontent.com/assets/1287144/3891462/3b47fbf4-222a-11e4-8a44-cbd3e958fa94.png)



After:
![screen shot 2014-08-12 at 9 55 30 am](https://cloud.githubusercontent.com/assets/1287144/3891456/25d49ed0-222a-11e4-81e9-8459e321f95c.png)