Added missing strings from english language files to german language files. TODO: Translate missing strings

Users can reset their login password. The password is sent by email to the email address listed in the client account settings.

- Added dutch translation (many thanks to Hans!)

- Improved the list generator
- Added delete icon to database list

* Cleanup some stuff into login/index.php like globals
* Add errors to the lang files

Added a variable check in app.inc.php

* Silenced error in login/index.php

* Also replaces " with ' 

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