Add skeleton for package bootstrap
Add \Bootstrap\Alert
Fix bug in \Bootstrap\Alert that appended 'alert-' if unavailable type was chosen
Update \Bootstrap\Alert to use static:: instead of Alert::
Add \Bootstrap\Badge
Add \Bootstrap\Label
Add \Bootstrap\Helpers and update \Boostrap\Badge to use it
Update \Bootstrap\Helpers to support adding multiple values
Fix \Bootstrap\Helpers::add_class
Update \Bootstrap\Badge to prepend class
Update \Bootstrap\Label to new syntax
Make \Bootstrap\Alert compatible with other classes
Remove unnecessary \Bootstrap\Label::$class
Add \Bootstrap\Progressbar
Add \Bootstrap\Panel
Add \Bootstrap\Well
Add \Bootstrap\Button
Update all classes to support \Helpers::add_class(&$array)
Add some Bootstrap-helpers to \Bootstrap\Helpers
Add \Bootstrap\Image