Refactor: Unify method naming

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

@@ -102,7 +102,7 @@ public abstract class AbstractFurniture extends CityObject {
         boundarySurface.setParent(this);
     }
 
-    public List<BoundarySurface> getBoundarySurfaceList() {
+    public List<BoundarySurface> getBoundarySurfaces() {
         return boundarySurfaceList;
     }
 

CityDoctorParent/CityDoctorValidation/src/main/java/de/hft/stuttgart/citydoctor2/reporting/pdf/PdfStreamReporter.java

@@ -590,7 +590,7 @@ public class PdfStreamReporter implements StreamReporter {
 		for (Geometry geom : af.getGeometries()) {
 			writeCheckResultForGeometry(geom, root);
 		}
-		for (BoundarySurface bs : af.getBoundarySurfaceList()) {
+		for (BoundarySurface bs : af.getBoundarySurfaces()) {
 			writeCheckResultForBoundarySurface(bs, root);
 		}
 	}

CityDoctorParent/Extensions/CityDoctorGUI/src/main/java/de/hft/stuttgart/citydoctor2/gui/CityDoctorController.java

@@ -930,7 +930,7 @@ public class CityDoctorController {
         root.getChildren().add(furnitureGroupItem);
 
         for (AbstractFurniture fn : furniture) {
-            buildCityObjectNode(fn, furnitureGroupItem, fn.getBoundarySurfaceList());
+            buildCityObjectNode(fn, furnitureGroupItem, fn.getBoundarySurfaces());
         }
     }