Merge pull request #23 from aureooms/greenkeeper/ava-0.21.0

Update ava to the latest version 🚀

Author: Aurélien Ooms

package.json

@@ -27,7 +27,7 @@
     "@aureooms/js-algorithms": "^3.0.7",
     "@aureooms/js-int32": "^3.0.0",
     "@aureooms/js-random": "^2.0.0",
-    "ava": "^0.20.0",
+    "ava": "^0.21.0",
     "babel-cli": "^6.24.1",
     "babel-polyfill": "^6.23.0",
     "babel-preset-latest": "^6.24.1",