title: Ruby on Rails config.secret_token error
body: <p>I just started learning ruby on rails.
  I followed a lot of install examples, but when i ran the example am getting this error</p>
  
  <p>A secret is required to generate an integrity hash for cookie session data. Use config.secret_token = "some secret phrase of at least 30 characters"in config/initializers/secret_token.rb</p>
  
  <p>I search for it but i dont see too much help.</p>
  
  <p>plz help.</p>
  
  <p>Platform: Mac OS X.</p>