rules: use bootstrap for CSS

Update template and CSS to use bootstrap. This will allow to have
a cleaner CSS with less work.
suricata: update to bootstrap
rules: local files for js and css
rules: remove old jquery copy
rules: add fonts for bootstrap
suricata: use glyphicon for icon
suricata: use bootstrap style button
rules: use bootstrap style button
rules: path is a breadcrumb
rules: use panel for sidebar
suricata: use panel in sidebar
rules: add id on navbar items
rules: suppress part of the CSS

Now using bootstrap. Will fix that later.
suricata: improve edition page
suricata: use warning from bootstrap
rules: error is an error

Use correct bootstrap class.
rules: set correct class on button
rules: use glyphicon for settings
suricata: use glyphicon for settings
rules: remove useless items in CSS