Added check for Rails 3 in password#save and passed :validate => fals…

…e to stop deprecation warnings

lib/authlogic/acts_as_authentic/password.rb

@@ -314,7 +314,7 @@ def transition_password?(index, encryptor, crypted, check_against_database)
 
             def transition_password(attempted_password)
               self.password = attempted_password
-              save(false)
+              save(Rails::VERSION::MAJOR >= 3 ? {:validate => false} : false)
             end
 
             def require_password?