Normalize the identity_url when it's set.

OpenId uses a specific format for the url it uses which requires the protocol
and trailing slash.  This change will normalize the value to when a user sets it.

  #699

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@2453 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/models/user.rb

@@ -80,6 +80,15 @@ class User < ActiveRecord::Base
     super
   end
   
+  def identity_url=(url)
+    begin
+      self.write_attribute(:identity_url, OpenIdAuthentication.normalize_identifier(url))
+    rescue InvalidOpenId
+      # Invlaid url, don't save
+    end
+    self.read_attribute(:identity_url)
+  end
+  
   # Returns the user that matches provided login and password, or nil
   def self.try_to_login(login, password)
     # Make sure no one can sign in with an empty password