updated npm packages versions

package.json

@@ -10,16 +10,16 @@
     "start": "node ./bin/www"
   },
   "dependencies": {
-    "body-parser": "~1.8.1",
-    "debug": "~2.0.0",
+    "body-parser": "1.12.0",
+    "debug": "2.1.1",
     "express": "^4.11.2",
-    "geoip-lite": "^1.1.4",
-    "jade": "~1.6.0",
-    "lodash": "^3.2.0",
+    "geoip-lite": "^1.1.5",
+    "jade": "^1.9.2",
+    "lodash": "^3.3.1",
     "primus": "^2.4.12",
     "primus-emit": "^0.1.2",
     "primus-spark-latency": "^0.1.1",
-    "serve-favicon": "~2.1.3",
+    "serve-favicon": "^2.2.0",
     "ws": "^0.7.1"
   }
 }