updated gitignore
updated stromarm module to 7.x-2.0
updates features-extra to 7.x-1.0-beta1+2-dev
updated features to 7.x-1.0
updated ctools to 7.x-1.3
updated admin_menu to 7.x-3.0-rc4
updated Drupal core to 7.22
updated gitignore to ignore ALL settings files
removed update hook since the added column is actually pretty useless.
modified codes logic: removed attempt with new column "spent", "validated" is now used to check if a mail address has been validated via /codes/user/validate/$hash - "used" timestamp remains the same.
added new feature stura_backend: provides a view showing all codes from the codes table with their related information.