Better name for edge validity test

Author: vesameskanen

src/main/java/org/opentripplanner/routing/linking/VertexLinker.java

@@ -566,7 +566,7 @@ public void addAreaVertex(
     int added = 0;
 
     for (IntersectionVertex v : visibilityVertices) {
-      if (!v.checkEdges()) {
+      if (!v.hasEdges()) {
         continue;
       }
       LineString newGeometry = GEOMETRY_FACTORY.createLineString(
@@ -588,7 +588,7 @@ public void addAreaVertex(
     // area calculation to be done after stop linking
     if (added == 0) {
       for (IntersectionVertex v : visibilityVertices) {
-        if (!v.checkEdges()) {
+        if (!v.hasEdges()) {
           continue;
         }
         createSegments(newVertex, v, edgeList, areas, scope, tempEdges);

src/main/java/org/opentripplanner/street/model/vertex/Vertex.java

@@ -126,7 +126,7 @@ public int getDegreeIn() {
     return incoming.length;
   }
 
-  public boolean checkEdges() {
+  public boolean hasEdges() {
     if (outgoing == null || incoming == null) {
       return false;
     }