Normalize the dependencies

packages/web3-typescript-typings/package.json

@@ -12,9 +12,7 @@
         "url": "git+https://github.com/0xProject/0x.js.git"
     },
     "author": "Fabio Berger",
-    "contributors": [
-        "Leonid Logvinov <logvinov.leon@gmail.com>"
-    ],
+    "contributors": ["Leonid Logvinov <logvinov.leon@gmail.com>"],
     "license": "Apache-2.0",
     "bugs": {
         "url": "https://github.com/0xProject/0x.js/issues"
@@ -22,7 +20,7 @@
     "homepage": "https://github.com/0xProject/0x.js/packages/web3-typescript-typings#readme",
     "devDependencies": {
         "@types/bignumber.js": "^4.0.2",
-        "tslint": "^5.5.0",
+        "tslint": "5.8.0",
         "tslint-config-0xproject": "^0.0.2",
         "typescript": "~2.6.1"
     },