Add eslint deps

package.json

@@ -9,7 +9,7 @@
     "url": "https://github.com/jupyter/notebook.git"
   },
   "scripts": {
-    "lint" : "eslint --quiet notebook/",
+    "lint": "eslint --quiet notebook/",
     "bower": "bower install --allow-root --config.interactive=false",
     "build:watch": "concurrent \"npm run build:css:watch\" \"npm run build:js:watch\"",
     "build": "npm run build:css && npm run build:js",
@@ -25,6 +25,7 @@
     "babel-preset-es2015": "^6.6.0",
     "bower": "*",
     "concurrently": "^1.0.0",
+    "eslint": "^2.8.0",
     "less": "~2",
     "requirejs": "^2.1.17",
     "underscore": "^1.8.3",