Utilization style cleanup

Removed fieldsets; added Patternfly info message styling, etc
Before:
![screen shot 2014-07-15 at 10 45 40 am](https://cloud.githubusercontent.com/assets/1287144/3586262/99fdb920-0c2e-11e4-8726-4e3e96ce2ffd.png)

After:
![screen shot 2014-07-15 at 10 45 10 am](https://cloud.githubusercontent.com/assets/1287144/3586263/9a07ac3c-0c2e-11e4-920a-951841d30318.png)