LJ-5: add formatter to support json output, add flurstuecke search function in gui, kataster and database class, add use case in index and add an wappen immage.
develop_bldam: Add Format Dezimal-Minuten to Rollenwahl, mysql-Database and Koordinatenanzeige
develop_bldam: Add more files for Koordinateformat Grad-Minuten
Merge branch 'develop_bldam' into LJ-5
resolve merge conflicts