- move most of the lang-code from setup/lang.php to phpgwapi/inc/class.translation_sql.inc.php
- added a minimal-auto-configuration, so one does not need to enter the config-step at all for a running installation
- added the language of the admin to the installed languages
- back-button for manage-header
- header-update shows lang-selection
- lang-selection is sorted now alphabetical
- lang-selection in header-admin shows up only if called the first time (without login)
- manage-languages and add-applications respekt now different translations for the same phrase in different apps