fixed time invariant isochrone computation

CHANGELOG.md

 Upcoming version:
 -----------------
+  - fixed time invariant isochrone computation (Nikolaus Krismer)
   - fixing findbugs warnings (Nikolaus Krismer)
   - updating webpack to latest version (Nikolaus Krismer)
   - fixed minor issues regarding JAI (Nikolaus Krismer)

src/main/resources/configWeb.xml

@@ -10,7 +10,7 @@
 	<entry key="useCache">false</entry>
 	<entry key="useCoverageMask">true</entry>
 	<entry key="useIsochroneStatistics">true</entry>
-	<entry key="useJson2DiskSerializeation">false</entry>
+	<entry key="useJson2DiskSerializeation">separate</entry>
 	<entry key="useMultiGeometries">true</entry>
 	<!-- When enabled, this shows a small coverage area around each
 		 transportation station reached. Only works with outputType

src/main/webapp/js/isochrone/meanCalculator.js

@@ -464,7 +464,7 @@ define(['jquery', 'leaflet', 'evispa-timo-jsclipper', 'util/loggingUtils', 'isoc
 			if (intersectedIsochrones.skewness) {
 				geoJsonSkewness = toGeoJsonCollection(intersectedIsochrones.skewness);
 				layers.skewness = {
-					layer: L.geoJson(),
+					layer: L.geoJson(geoJsonSkewness),
 					name: LanguageUtils.get('layer.skewnessIsochrones')
 				};
 				layers.skewness.layer.eachLayer(function (layer) {

src/test/java/at/uibk/dbis/isomap/network/StringifierTest.java

@@ -54,7 +54,6 @@ public class StringifierTest {
 		Assert.assertFalse(e.toString().contains("@"));
 	}
 
-
 	@Test
 	public void testUndirectedEdge() {
 		final IEdge e = new Edge(1, 10, 11, 4.5f, 25.0f, Mode.STREET);