chore(package): update eslint-plugin-jsx-a11y to version 2.2.0

https://greenkeeper.io/

Author: greenkeeperio-bot

package.json

@@ -27,7 +27,7 @@
     "eslint": "^3.3.1",
     "eslint-config-airbnb": "^10.0.0",
     "eslint-plugin-import": "^1.14.0",
-    "eslint-plugin-jsx-a11y": "^2.0.1",
+    "eslint-plugin-jsx-a11y": "^2.2.0",
     "eslint-plugin-react": "^6.1.2",
     "expect": "^1.15.2",
     "karma": "^1.1.1",