Add gulp-tslint and tslint to npm dev dependencies

package.json

@@ -10,11 +10,14 @@
   },
   "devDependencies": {
     "gulp": "^3.9.1",
+    "gulp-tslint": "^8.1.2",
     "gulp-typescript": "^3.2.3",
+    "tslint": "^5.8.0",
     "typescript": "^2.6.2"
   },
   "scripts": {
-    "test": "echo \"Error: no test specified\" && exit 1"
+    "gulp": "gulp",
+    "test": "gulp test"
   },
   "repository": {
     "type": "git",
@@ -25,10 +28,6 @@
     "keygen",
     "password"
   ],
-  "scripts": {
-      "gulp": "gulp",
-      "test": "gulp test"
-  },
   "author": "Slava Bacherikov",
   "license": "GPL-3.0",
   "bugs": {