Aligning master changelog w/ 3-0-stable

Author: kevmoo

activerecord/CHANGELOG

@@ -103,7 +103,15 @@ IrreversibleMigration exception will be raised when going down.
 
   [Aaron Patterson]
 
-*Rails 3.0.2 (unreleased)*
+
+*Rails 3.0.3 (November 16, 2010)*
+
+* Support find by class like this: Post.where(:name => Post)
+
+
+*Rails 3.0.2 (November 15, 2010)*
+
+* Dramatic speed increase (see: http://engineering.attinteractive.com/2010/10/arel-two-point-ohhhhh-yaaaaaa/) [Aaron Patterson]
 
 * reorder is deprecated in favor of except(:order).order(...) [Santiago Pastorino]