use typeahead for root search
General notification area:
* removed notifications from cards
* all notifications are now showing in general area at the top
* and are dismissible
* modal form errors remain as they were
Merge pull request #7 from elvanja/general_notification_area

General notification area:
visual feedback when clicking links
normal width for modals
fix link-clicking animation so it doesn't affect search results
hide panel footer when there are no buttons
default to showing a confirmation for all buttons
add delay to search typeahead to reduce query volume