4 - improved styles of sign up button
5 - do not send admin notification email if ASTAKOS_DEFAULT_ADMIN_EMAIL is not
7 - updated cloudbar styles
14 - administrator email notification on sign up
15 (configurable from ASTAKOS_DEFAULT_ADMIN_EMAIL setting)
16 - recaptcha integration on sign up form
17 (requires ASTAKOS_RECAPTCHA_PUBLIC_KEY, ASTAKOS_RECAPTCHA_PRIVATE_KEY
19 - cloudbar jsonp responses