Upgrade packages

Author: Hyunje Jun

package.json

@@ -29,19 +29,19 @@
   ],
   "dependencies": {
     "@types/body-parser": "^1.16.3",
-    "@types/node": "^7.0.4",
-    "body-parser": "^1.17.1",
-    "got": "^6.7.1"
+    "@types/node": "^7.0.31",
+    "body-parser": "^1.17.2",
+    "got": "^7.0.0"
   },
   "devDependencies": {
     "@types/express": "^4.0.35",
-    "@types/mocha": "^2.2.40",
-    "express": "^4.15.2",
+    "@types/mocha": "^2.2.41",
+    "express": "^4.15.3",
     "gitbook-cli": "^2.3.0",
-    "mocha": "^3.2.0",
-    "ts-node": "^3.0.2",
-    "tslint": "^5.1.0",
-    "typescript": "^2.1.5"
+    "mocha": "^3.4.2",
+    "ts-node": "^3.0.6",
+    "tslint": "^5.4.3",
+    "typescript": "^2.3.4"
   },
   "license": "Apache-2.0"
 }