GUI: Added ESLint to gulp tasks. ONOS-6521
Commented out gulp tasks making this change uneffective
Fixed an error in the build script

Change-Id: I4f4f9762aa1a66304aa74b3ab208095b9c1d4515
diff --git a/web/gui/src/main/webapp/app/view/topo2/topo2Background.js b/web/gui/src/main/webapp/app/view/topo2/topo2Background.js
index 8d63bb0..89b91cf 100644
--- a/web/gui/src/main/webapp/app/view/topo2/topo2Background.js
+++ b/web/gui/src/main/webapp/app/view/topo2/topo2Background.js
@@ -116,10 +116,10 @@
                     resetZoom: function () {
                         var pan = zoomPan(this.zoomData, true);
                         t2zs.panAndZoom(pan, zoomScale(this.zoomData, true), 1000);
-                    }
+                    },
                 });
 
                 return instance || new BackgroundView();
-            }
+            },
         ]);
-})();
\ No newline at end of file
+})();