Merge pull request #1366 from aphofstede/2.1-stable

Check cookie against md5 regex. 2.1 stable CSRF injection security fix
tree: 4abbf8b47cb1acd956c9755cc4ad04ef983609cc
  1. .gitignore
  2. application/
  3. index.php
  4. license.txt
  5. system/
  6. user_guide/