Merge pull request #305 from KnisterPeter/greenkeeper/ava-0.18.2

Update ava to the latest version 🚀

Author: KnisterPeter

package.json

@@ -41,7 +41,7 @@
     "@types/diff": "0.0.31",
     "@types/node": "7.0.5",
     "@types/react": "15.0.11",
-    "ava": "0.18.0",
+    "ava": "0.18.2",
     "babel-core": "6.23.1",
     "babel-preset-es2015": "6.18.0",
     "babel-register": "6.18.0",