title: rails cancan roles?
body: <p>I am using devise for my authentication system and cancan for permissions. I am in the process of adding roles and I am trying to have it so when a user signs up he will automatically be assigned a role. I watched <a href="http://railscasts.com/episodes/192-authorization-with-cancan" rel="nofollow">ryan bate screencast</a> and also followed a <a href="http://www.tonyamoyal.com/2010/07/28/rails-authentication-with-devise-and-cancan-customizing-devise-controllers/" rel="nofollow">devise &amp; cancan tutorial</a> . </p>
  
  <p>How I can implement this without using check boxes and automatically assign a role to user based upon when they're signing up. </p>