Fixed: FS#1712 - Welcome email in multiserver setup problem (welcome mail not send because MySQL delay)

implemented the patch supplied by Jan Vansteenkiste with the latest commit

I've changed the id HTML attributes of the check boxes. You can still group post requests on name attributes while using the id to keep the items unique in the DOM tree. i saw some commented code already being there but wasn't functioning, so i rewrote the original lines.
This only goes for type: CHECKBOXARRAY and RADIO

http://lathama.net/Recursively_deleting_Microsoft_end_of_line_characters

stop the 404s from new browsers that check.

All parts are disabled at the moment. Please help update
the language files.

http://bugtracker.ispconfig.org/index.php?do=details&task_id=1242&project=3&pagenum=2

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Using these variables in welcome email from admin, when mailbox is created.

The conversion to iso-8859-1 causes compatibility problems with some languages, therefore the transition to utf-8

Updated english languages files
Updated czech languages files

Added missing strings in some templates to english transalations