Release 1.1.1 of Java Code Generator

This release is a bugfix release and contains many small improvements to make the code more stable and usable for futher improvements.
Changelog 1.1.1
- Fix of SQL Script generator (include table name)
- Fix unserializing of DTP connections
- Reworked connection test for DTP connection
- Assure that all needed input fields are enabled
- Added help page to first wizard page
- General cleanup of todos