Update socket.io version in package.json

Author: WirelessLife

archive/Events and Hacks/Tech Talks/ContainerDemo/example-voting-app/result/package.json

@@ -15,6 +15,9 @@
     "method-override": "^2.3.5",
     "async": "^1.5.0",
     "pg": "^4.4.3",
-    "socket.io": "^1.3.7"
+    "socket.io": ">=2.5.1"
+  "devDependencies": {
+    "socket.io": ">=2.5.1"
+}
   }
 }