Improved: FS#2176 - collision between shell/ftp accounts and client accounts named webXX is not checked

Fixed: FS#2176 - collision between shell/ftp accounts and client accounts named webXX is not checked

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

Uploaded new HR language file set.

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- Improved date format in nl language file
- Disabled debugging mode in interface plugin class.

- Added $wb['conf_format_dateshort_human_readable'] variable (shows the human readable date format like "tt.mm.jjjj" or "yyyy-mm-dd" next to date fields so that one knows how to format the date) to global language files.

Changed command order in client_add function so that the insertID is executed right after the sql insert query.

- Fixed a database password encryption error in remote API.
- Fixed database add example script.
- Added examply for new query syntax for forwards.

- Updated russian language file.

- Updated version number to 3.0.4.2

- Added a timezone setting in config.inc.ohp file

Fixed: FS#1905 - client_add function in remote api adds duplicate user after returining correct dupliate error.

- Set error reporting level in app inc.

- Added error_reporting level in app.inc.php to E_ALL & ~E_NOTICE

- Added functions to start / stop / restart virtual machines to the remote api.