Remove morgan and add restify-logger

Author: Quentin01

package.json

@@ -18,9 +18,9 @@
   ],
   "dependencies": {
     "async": "^0.9.0",
-    "morgan": "^1.3.2",
     "rarity": "^2.1.1",
     "restify": "^2.8.1",
+    "restify-logger": "^1.0.0",
     "supertest": "^0.13.0"
   },
   "devDependencies": {