support custom column selection for search result overview
the current set of shown information for search results is fixed and can not be customized by the user, but for different people different information is relevant.
onionoo provides a lot of information, would be great if search results were more customizable via the URL
- tor version / os
- hide specific currently shown columns
torstatus allows for custom column selection, see: http://torstatus.blutmagie.de/column_set.php