added new tools for creating APs, Beacons, GTP, POI, Fingerprints fixed selection issue changed new-element creation added missing layer parameters
improved elememt-selection changed some parameters show length for selected obstacles/doors minor fixes
changed drawing for better debuging changed layer editing option to add and delete layers some minor changes
- refactoring - completely changed the tooling (adding elements) - better re-use for more stable editing - new elements - ui adjustments - LINT for stair-editing - many more changes
