Add variable for smtp_relay if it is allowed in the server or not
Changed get_from_email function to fill this feature
Add default domain to username when needed
Add constant MESSAGE_TIMEOUT for display messages
Show popup in notifications
Fix SUBJECT charset problems (ñ shows as ?)
Alternative email setting moved to Identities
Add send_email_with_notification function to notify user when any change is made (security)
Add popup to notify user about alternative email
Add CSRF checks
Update email notification templates
Change password_reset action in login page from redirect to Ajax POST.
Renamed config.inc.php -> config.inc.php.dist