title: Can't start a new rails app
body: <p>When I try to start a new rails app, I get this notification:</p>
  
  <p><em><strong>"Can't initialize a new Rails application within the directory of another, please Type 'rails' for help."</em></strong></p>
  
  <p>I read that I may have to empty some directory because there may already be another rails app created. I'm not sure how to do this and start over. </p>