Update addons-linter to 0.4.0

package.json

@@ -1,6 +1,6 @@
 {
   "name": "addons-server",
-  "version": "0.0.3",
+  "version": "0.0.4",
   "private": true,
   "engines": {
     "node": ">= 0.10.x",
@@ -12,6 +12,6 @@
     "less": "1.3.x",
     "stylus": "0.32.x",
     "uglify-js": "2.4.x",
-    "addons-linter": "0.3.3"
+    "addons-linter": "0.4.0"
   }
 }