Bump eslint-plugin-jsx-a11y version (facebook#2690)

* Bump eslint-plugin-jsx-a11y

* Update index.js

* Update index.js

* Update package.json

* Don't use links for non-linky things

Author: gaearon

package.json

@@ -39,7 +39,7 @@
     "eslint-loader": "1.9.0",
     "eslint-plugin-flowtype": "2.39.1",
     "eslint-plugin-import": "2.8.0",
-    "eslint-plugin-jsx-a11y": "5.1.1",
+    "eslint-plugin-jsx-a11y": "6.0.2",
     "eslint-plugin-react": "7.4.0",
     "extract-text-webpack-plugin": "3.0.2",
     "file-loader": "1.1.5",