Issue #1333048 by FatGuyLaughing : Updated the CSS selector in the...

Issue #1333048 by FatGuyLaughing : Updated the CSS selector in the role_export.css to be .form-item-machine-name from .form-item-type. This broke during the rename of the machine_name field on the role creation form. Added the #attached array to the form so we can add CSS this way instead of drupal_add_css.