Fixed login as

Reverted SVN trunk back to revision 3938 to remove changes in default theme an a replacement of the ispconfig logo.

- Added backup size to web backups

  New global option to grant reseller users access to the options (advanced) tab in web domains and vhost subdomains

Implemented:  FS#2388 - Optional confirm window on changing tabs

Bugfix: Show error message on smtp enabled without administrator mail / name

- Fixed missing templates and language entries
- Previous subdomain mode can be used concurrently
- Changed log path to a more convenient location

http://bugtracker.ispconfig.org/index.php?do=details&task_id=1689

Added a new module called "domain". With this module you can manage all domains (web + mail). Per default this module is not active. To activate it, you have to change the System Interface Config -> domains -> use the domain module. You also have to activate the domain-module for the admin (and for every client if you want). Important: you can not use this module if you have reseller!