Major function update for tourinfra mobil

A large number of enhancements have been implemented with the new version. The focus of the enhancements was the synchronization of data and the associated more convenient operation of the app:

• More options for sync mode
• More pictures in the site view
• Carrier photos and location photos can be added
• Sync can be restricted to the work area
• Data structure & image data can be reloaded on site
• Further detailed improvements