Bring multiplex up to date

package.json

@@ -3,6 +3,11 @@
   "version": "2.3.0",
   "description": "The HTML Presentation Framework",
   "homepage": "http://lab.hakim.se/reveal-js",
+  "subdomain": "revealjs",
+  "scripts": {
+    "test": "grunt jshint",
+    "start": ""
+  },
   "author": {
     "name": "Hakim El Hattab",
     "email": "hakim.elhattab@gmail.com",
@@ -15,14 +20,11 @@
   "engines": {
     "node": "~0.8.0"
   },
-  "scripts": {
-    "test": "grunt jshint"
-  },
   "dependencies": {
     "underscore": "~1.3.3",
     "express": "~2.5.9",
-    "socket.io": "~0.9.6",
-    "mustache": "~0.4.0"
+    "mustache": "~0.4.0",
+    "socket.io": "~0.9.13"
   },
   "devDependencies": {
     "grunt-contrib-jshint": "~0.2.0",