[#32105] JFormValidator JavaScript class does not scale well

This is like http://joomlacode.org/gf/project/joomla/tracker/?action=TrackerItemEdit&tracker_id=8103&tracker_item_id=30274 but for 3.1.5.

I'm still getting emails about people trying to fix this.

This forum post is full of people using this patch http://forum.joomla.org/viewtopic.php?p=3002410