Merge pull request #2180 from tomciopp/master

More idiomatic approach to finding drafts

app/models/user.rb

@@ -200,7 +200,7 @@ class User < ActiveRecord::Base
   def approve(approved_by, send_mail=true)
     self.approved = true
 
-    if Fixnum === approved_by
+    if approved_by.is_a?(Fixnum)
       self.approved_by_id = approved_by
     else
       self.approved_by = approved_by