Threading updates

- Add rudimentary thread handling to Frost
- Fix possible CSS bug in several themes from threading update
- Add ability for themes to prevent threading

view/theme/frost-mobile/js/main.js

@@ -297,7 +297,7 @@
 
 			// add a new thread
 
-			$j('.tread-wrapper',data).each(function() {
+			$j('.toplevel_item',data).each(function() {
 				var ident = $j(this).attr('id');
 
 				if($j('#' + ident).length == 0 && profile_page == 1) {