fixed #46
adopting wms url, fixed #47
Merge branch 'bug/49-katasterblatt-map-scale' into bug/47-map-mauer-katasterblatt
fixed #49
Merge branch 'bug/47-map-mauer-katasterblatt' into bug/49-katasterblatt-map-scale
reducing the scale instead of increasing it, fixed #49
Merge branch 'bug/49-katasterblatt-map-scale' into dev
resolved merge conflicts, mergin bug/46-mauer-bilder-nr
formatting