deps: update example dependencies

package.json

@@ -60,14 +60,14 @@
     "ejs": "~1.0.0",
     "marked": "0.3.2",
     "hjs": "~0.0.6",
-    "body-parser": "~1.6.7",
+    "body-parser": "~1.7.0",
     "cookie-parser": "~1.3.2",
     "express-session": "~1.7.6",
     "jade": "~1.5.0",
     "method-override": "~2.1.3",
     "morgan": "~1.2.3",
     "multiparty": "~3.3.2",
-    "vhost": "2.0.0"
+    "vhost": "~3.0.0"
   },
   "engines": {
     "node": ">= 0.10.0"