- Responsive fixes

skip writing dkim-values for inactive domains
removed the public-dkim-key from the interface
added german language-file

Fixed: password match function blocked tabs incorrectly
Fixed: set focus on username input field threw an error if this field did not exist on a page

fixed #681 - removed all onblur, checked onchange for function and removed it in filter panels. Added jquery keypress (event 13 -> enter) and tested it in different browsers

Fixed: FS#787 - A sub-client can see all the clients on the system in the client drop down list 

Improved language file loading.