Added "compare" & "selected" options to add a comparison dropdown
Added "endOfDay" option for datepicker
Filter resets now sets the default values instead of an empty string
Saved filter searches now properly apply
Add tablesorter API section to docs. Make assorted corrections to docs &
cleanup. Update & consolidate jQuery UI accordion code. Updated some
scripts to use the correct version number (v2.15, not v2.14.6).