Created 2.8.x branch
- Added German language file to droplets
- Added modul_description to language files of droplets
update upgrade-script to avoid droping droplet-tables if the modul still exists. Add an upgrade-script to the droplets.
Added missing id tags and copyright notices to droplets modul
Add Droplets Modul to the project and the modificated files (index, seach and frontendfunctions)