Merge branch 'develop' into stair_hatching

VadereSimulator/src/org/vadere/simulator/projects/dataprocessing/outputfile/TimestepOutputFile.java

@@ -11,6 +11,6 @@ import org.vadere.simulator.projects.dataprocessing.datakey.TimestepKey;
 public class TimestepOutputFile extends OutputFile<TimestepKey> {
 
     public TimestepOutputFile() {
-        super("hdfkh");
+        super("timeStep");
     }
 }

VadereUtils/src/org/vadere/util/voronoi/Face.java

@@ -77,9 +77,9 @@ public class Face {
 				* (limits.yHigh - limits.yLow);
 
 		try {
-			if (result < 0 || result > maxArea) {
-				String message = result + " is a illegal area size (Object "
-						+ id + ").";
+			if (result < 0 || (result > maxArea && Math.abs(result-maxArea) > 1E-15)) {
+				String message = "(Object " + id + ") Area of face is: " + result + ". This is an illegal area size " +
+						"because result has to be positive and less than maxArea (= " + maxArea + ")";
 				throw new IllegalStateException(message);
 			}
 		} catch (IllegalStateException e) {