Add a workaround for killing rails server on Windows without a pause/break key

Author: kejadlen

sites/installfest/create_and_deploy_a_rails_app.step

@@ -64,7 +64,7 @@ message <<-MARKDOWN
 * Back in the Terminal window where you ran <code>rails server</code>, type **Control-C** (don't type this into the console, but hold the Control and C keys at the same time) to kill(stop) the server.
 
   MARKDOWN
-  important "On Windows, sometimes Control-C doesn't work. In that case, look for the key called 'Break' or 'Pause' and press Control-Break, then answer Y at the prompt."
+  important "On Windows, sometimes Control-C doesn't work. In that case, look for the key called 'Break' or 'Pause' and press Control-Break, then answer Y at the prompt. If there is no Pause/Break key on your keyboard, you can run `ruby script/rails server` instead of `rails server` which should allow Control-C to stop the server."
   end
 
 step "Generate a database model" do