Update bootstrap version to 3.2.
Update navbar style.
Update progress bars.
Change old 'control-group' classes to 'form-control'.
Update inline radio button style.
Fixes to unstyled lists.
Replace 'btn-mini' class with 'btn-xs'.
Replace 'span-*' classes with 'col-*' classes.
Rename 'hero-unit' references to 'jumbotron'.
Update button styles for default buttons.
Replace 'help_inline' with 'help_block'.
Replace 'nav-list' classes.
Fixes for responsive images.
Switch to 'rails-bootstrap-forms' gem for Bootstrap 3 support.
Update 'bootstrap_form_for' styles for new gem.
Remove old 'controls' classes.
Style fixes for unstyled lists.
Pagination style fix.
Fix 'help-blocks' that are not being displayed.
Simplify syntax for button styling in bootstrap_forms.