Merge pull request #364 from KnisterPeter/greenkeeper/ava-0.19.1

Update ava to the latest version 🚀

Author: KnisterPeter

package.json

@@ -42,7 +42,7 @@
     "@types/diff": "0.0.31",
     "@types/node": "7.0.12",
     "@types/react": "15.0.21",
-    "ava": "0.19.0",
+    "ava": "0.19.1",
     "babel-core": "6.24.1",
     "babel-preset-es2015": "6.24.1",
     "babel-register": "6.24.1",