clean & lint stuff

package.json

@@ -1,6 +1,6 @@
 {
   "name": "wallabag",
-  "version": "2.0.0",
+  "version": "2.1.0",
   "description": "wallabag is a self hostable application for saving web pages",
   "main": "index.js",
   "private": true,
@@ -20,11 +20,9 @@
     "grunt-contrib-clean": "^1.0.0",
     "grunt-contrib-concat": "^1.0.0",
     "grunt-contrib-copy": "^1.0.0",
-    "grunt-contrib-cssmin": "^1.0.0",
     "grunt-contrib-symlink": "^1.0.0",
     "grunt-contrib-uglify": "^1.0.0",
     "grunt-postcss": "^0.8.0",
-    "grunt-shell": "^1.2.1",
     "hammerjs": "^2.0.6",
     "jquery": "^2.2.1",
     "jquery-ui": "^1.10.5",
@@ -80,5 +78,9 @@
   "license": "MIT",
   "bugs": {
     "url": "https://github.com/wallabag/wallabag/issues"
+  },
+  "devDependencies": {
+    "eslint": "^2.11.1",
+    "eslint-config-airbnb": "^9.0.1",
   }
 }