Patternfly info messages ops

Added Patternfly info and warning message styling; code cleanup

Before:
![screen shot 2014-08-07 at 5 02 51 pm](https://cloud.githubusercontent.com/assets/1287144/3857286/c20f19d2-1f01-11e4-8e66-306eafdea23c.png)

After:
![screen shot 2014-08-08 at 9 02 22 am](https://cloud.githubusercontent.com/assets/1287144/3857277/ab4b83ca-1f01-11e4-9ce6-895b24cc5fca.png)