+ Removed the fixed shutdown time
+ Added the configuration for the public web server
+ Refactored the old web server settings
+ Improved the handling of shutdown handlers. It is not save!
+ Bugfix: The server start was no longer blocking
+ DB access is now right and uses copied sessions
+ DB session is now specifying the safe state and the mode
+ Fixed the issue with too early ICCC messages regarding to late cache
+ Add the MIME type for Dart
+ Fixed the issuse with wrong order of shutdown handlers
- TODO: Testing of these changes
