Fix #2940 Gephi consolidate double assignment of node title. (#2962)

lib/network/gephiParser.js

@@ -45,11 +45,10 @@ function parseGephi(gephiJSON, optionsObj) {
     var gNode = gNodes[i];
     node['id'] = gNode.id;
     node['attributes'] = gNode.attributes;
-    node['title'] = gNode.title;
     node['x'] = gNode.x;
     node['y'] = gNode.y;
     node['label'] = gNode.label;
-    node['title'] = gNode.attributes !== undefined ? gNode.attributes.title : undefined;
+    node['title'] = gNode.attributes !== undefined ? gNode.attributes.title : gNode.title;
     if (options.nodes.parseColor === true) {
       node['color'] = gNode.color;
     }
@@ -64,4 +63,4 @@ function parseGephi(gephiJSON, optionsObj) {
   return {nodes:nodes, edges:edges};
 }
 
-exports.parseGephi = parseGephi;
+exports.parseGephi = parseGephi;