add required jQuery-UI 1.9.2 files
Merge branch 'master' into jquery-ui
use jQuery-UI for items list page

Still keep the old styling to have a fallback
for when javascript is disabled on the client.
import jQuery-UI CSS in default.css

Remove now obsolete link in items/list.php.
Override unwanted font settings.
better error styling

Use jQuery-UI error styling and adjust old styling
add js libs to about page
small update to items list page
user profile loading with jQuery

When javascript is enabled, preload the other profile pages
(activities, ...) async and use javascript to update the page
on click.
fix user modify page
enable link navigation

When javascript is enabled, a click on the already active
navigation link will bring the user to the permalink location.
override another unwanted style
some IE border radius fixes
use IE function to load CSS
user profile: color background
add margin to user activity styles
update styling for candidate listing
remove useless <div>
shorten new candidate css
restlye review list page similar to candidate list page
move new UI body and #page-content styling to central default.css file