fixed a bug where subsequent checks would not clear previous check results in...

fixed a bug where subsequent checks would not clear previous check results in building installations

CityDoctorParent/CityDoctorModel/src/main/java/de/hft/stuttgart/citydoctor2/datastructure/BuildingInstallation.java

@@ -98,7 +98,7 @@ public class BuildingInstallation extends CityObject {
 	
 	@Override
 	public void clearAllContainedCheckResults() {
-		super.clearCheckResults();
+		super.clearAllContainedCheckResults();
 		for (BoundarySurface bs : boundarySurfaces) {
 			bs.clearAllContainedCheckResults();
 		}

CityDoctorParent/CityDoctorModel/src/main/java/de/hft/stuttgart/citydoctor2/datastructure/LinkedPolygon.java

@@ -124,7 +124,7 @@ public class LinkedPolygon extends Polygon {
 
 	@Override
 	public void clearCheckResults() {
-		// linked polygons don't have check results
+		poly.clearCheckResults();
 	}
 
 	@Override