fixed the error dialogue boxes to match best practice as specified on ht...

Fixed styling to match
http://foundation.zurb.com/docs/components/abide.html
solved #194
reviewed by: @jiahuang @Frijol 

![screen shot 2014-11-01 at 3 09 06 pm](https://cloud.githubusercontent.com/assets/1192661/4872959/9b145054-61fa-11e4-87ae-3ae0d4bdca91.png)

are we using id for anything? should it be username or 'password' here?