CSS suggestions/fixes

[bchopson]

Forms

• I couldn't find where labeled-group and unlabeled-group are declared. Can these classes be removed from the form macros?
• We can remove form-horizontal as the default form class, since it's deprecated
• Submit buttons are not left-aligned with the inputs
• tabIndex can be removed from radio_field
• Should labels be right-aligned? On large screens, labels are far away from their inputs, which hurts readability:

Right-aligned: