Changed the expando string to use a random number instead of the time, so...

Changed the expando string to use a random number instead of the time, so collisions become less likely. Also added jQuery version to instantly differentiate separate versions of jQuery (a common use case for noConflict, etc, when two jQuery instances are on the page). Fixes #6842.

src/data.js

@@ -9,8 +9,9 @@ jQuery.extend({
 	// Please use with caution
 	uuid: 0,
 
-	// Unique for each copy of jQuery on the page	
-	expando: "jQuery" + jQuery.now(),
+	// Unique for each copy of jQuery on the page
+	// Non-digits removed to match rinlinejQuery
+	expando: "jQuery" + ( jQuery.fn.jquery + Math.random() ).replace( /\D/g, "" ),
 
 	// The following elements throw uncatchable exceptions if you
 	// attempt to add expando properties to them.