Add Region.getMinBuildAreaPoint

Add Region.getMaxBuildAreaPoint

BauSystem_Main/src/de/steamwar/bausystem/world/Region.java

@@ -166,6 +166,14 @@ public class Region {
         return prototype.getMaxPoint(this);
     }
 
+    public Point getMinBuildAreaPoint() {
+        return prototype.buildArea.getMinPoint(this);
+    }
+
+    public Point getMaxBuildAreaPoint() {
+        return prototype.buildArea.getMaxPoint(this);
+    }
+
     public boolean inRegion(Location l) {
         return prototype.inRegion(this, l);
     }