Fix bugs in bootstrap theme

- Display top controls inline
- Increase left spaces in sidegroup panel
- Increase margin-top in bulk-actions
	modified:   themes/bootstrap/css/style.css
	modified:   themes/bootstrap/templates/search/controls/limit.phtml
	modified:   themes/bootstrap/templates/search/controls/sort.phtml
	modified:   themes/bootstrap/templates/search/results.phtml