BuildFormBootstrap.php: Added class'clearfix' to every Bootstrap row...

BuildFormBootstrap.php: Added class'clearfix' to every Bootstrap row 'form-group' - on request of BB: should solve problems which we don't see at the moment.
qfq-bs.css.less: Typeahead - expand with of dropdown Box to 100% of current input element. Add hoover for the dropdown Box with a blue background