Add jquery-tablesorter
Prevent error when user is not logged in
Added sorting to results table

http://mottie.github.io/tablesorter/docs/example-widget-bootstrap-theme.html
Styled containing div with overflow: auto - gives the table a scroll bar
Added footer for pagination
Fixes for table sorting

Widen search content
fix caption background that was borked by tablesorter theme
Add labels to pagination form
Add option to show all
Merge pull request #64 from NESCent/tablesorting

Use tablesorting.js on results page for sorting/filtering/pagination