Improve button styling in the admin UI.
Review Request #3648 — Created Dec. 10, 2012 and submitted
Improve button styling in the admin UI. This improves our button styling to be a bit consistent, nicer, and to be closer to what we have on RBCommons. As part of this, we're bringing back styling for the default/primary buttons on admin UI forms. Later, we may want to look into making this a standard styling across the whole app.