Patternfly formbuttons 3

Converted image-based form buttons to Patternfly btn class buttons; cleaned up code.

Before:
![screen shot 2014-08-07 at 5 15 36 pm](https://cloud.githubusercontent.com/assets/1287144/3849333/0643f1f2-1e78-11e4-8276-f525e1a2d38a.png)


After:
![screen shot 2014-08-07 at 5 06 03 pm](https://cloud.githubusercontent.com/assets/1287144/3849308/c54d8b86-1e77-11e4-9162-67ad8af5f09b.png)