Added: bank account owner field for client

- Implemented session message system (template modifications pending)
- Updated ISPC SVN version number to 3.0.5

- Added circle access control so that 1) a reseller can create circles that contain only his clients, not all clients, and 2) a reseller can send messages only to his own circles instead of all circles.

- Added group (we call groups "circles" so that users don't mix them up with user groups) feature to client messaging section so that messages can be sent to either all clients/resellers or to groups of clients/resellers. TODO: add circle access control so that 1) a reseller can create circles that contain only his clients, not all clients, and 2) a reseller can send messages only to his own circles instead of all circles.

- Added translations to global search.

Merged revisions 3049-3051,3053-3054,3058,3070,3074-3077,3082,3086-3088,3091-3092,3094-3095 from stable branch.

(It's used in several countries to identify company)

Implemented: FS#1325 - Option to create remoting user automatically during package installation from repository
Implemented: VAT-ID and customer No. fields for client and reseller.

Fixed FS#775 - Client can choose the servers for it's client 

Fixed: Missing server.ini config entries for vlogger and jailkit
Added: Admin interface server_config for vlogger and cron