Update Node dependencies.

package.json

@@ -7,15 +7,15 @@
     "start": "babel-node server.js"
   },
   "dependencies": {
-    "babel-cli": "^6.24.0",
-    "babel-preset-es2015": "^6.24.0",
-    "babel-preset-stage-2": "^6.22.0",
-    "express": "~4.13.4",
+    "babel-cli": "^6.24.1",
+    "babel-preset-es2015": "^6.24.1",
+    "babel-preset-stage-2": "^6.24.1",
+    "express": "^4.15.2",
     "git-http-backend": "^1.0.1",
     "http-proxy": "^1.15.1",
     "isomorphic-fetch": "^2.2.1",
-    "morgan": "~1.7.0",
-    "nuxt": "^0.9.9"
+    "morgan": "^1.8.1",
+    "nuxt": "^0.10.6"
   },
   "devDependencies": {
     "nodemon": "^1.11.0"