title: Auto login after successful registration
body: <p>hey all
  i want to make an auto login after successful registration in spring
  meaning:
  i have a protected page which requires login to access them
  and i want after registration to skip the login page and make an auto login so the user can see that protected page, got me ?
  i am using spring 3.0 , spring security 3.0.2
  how to do so ? </p>