add datatable for displaying programmes
layout changes
fix sorting on startdate/time; ui improvements
retrieve only non-crap programmes as standard to speed up ipad
made channel+genre selectors collapsible; add functionality to add+remove selectors based on custom queries
add async to package
Merge branch 'datatable'
add, editing, removing queries
switched to fontawesome for colored icons
add calculated programme length attribute (will be moved to server)
add fix for datatable not clearing properly with empty query results