Update Twitter Bootstrap 3.0.0-RC1. Closes #72.

Signed-off-by: crynobone <crynobone@gmail.com>
Clean-up syntax based on 55bdd7e commit.

Signed-off-by: crynobone <crynobone@gmail.com>
Tweak user navbar-form button CSS.

Signed-off-by: crynobone <crynobone@gmail.com>