Bugfix on db-Class (datalog Update)

Added: Form fields are disabled if a client is not allowed to edit a domains main settings

- Implemented: FS#1935 - Add minimum allowed seconds Value for DNS zone records

FS#2288 - Importer for data from Plesk control panel (first INCOMPLETE version, see bugtracker for status)

Bugfix: remoting lib field validation "ISINT" differed from tform validation and leads to 0 values treated as invalid
Bugfix: remoting lib did include_once instead of include at form definition files, that leads to malfunction when using multiple definition files at importing and actions like that

- Bugfix: changed "Return-Path: $form" to Return-Path: $from.

Implemented: FS#560 - Add support for APS (Application Packaging Standard)

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

Fixed: FS#2109 - Email address validation via API method(s) is inadequate (and results in false-negatives)

- Improved datalog functions.

Extended datalogUpdate and datalogInsert function in mysql library so that insert_data and update_data arguments can be passed as array too.