chore(package): update eslint-plugin-jsx-a11y to version 2.2.1 (#21)

https://greenkeeper.io/

Author: greenkeeperio-bot

package.json

@@ -78,7 +78,7 @@
     "eslint": "3.4.0",
     "eslint-config-airbnb": "10.0.1",
     "eslint-plugin-import": "1.14.0",
-    "eslint-plugin-jsx-a11y": "2.2.0",
+    "eslint-plugin-jsx-a11y": "2.2.1",
     "eslint-plugin-react": "6.2.0",
     "ghooks": "1.3.2",
     "json-loader": "0.5.4",