chore(package): update eslint to version 3.11.1

https://greenkeeper.io/

Author: greenkeeperio-bot

package.json

@@ -14,7 +14,7 @@
   },
   "devDependencies": {
     "babel-eslint": "^7.1.1",
-    "eslint": "^3.10.2",
+    "eslint": "^3.11.1",
     "eslint-config-airbnb": "^13.0.0",
     "eslint-import-resolver-meteor": "^0.3.4",
     "eslint-plugin-import": "^2.2.0",