Greenkeeper/jest 22.0.4 (#8)

* chore(package): update jest to version 22.0.4

Closes #5

* chore(package): update lockfile

https://npm.im/greenkeeper-lockfile

Author: aeldar

package.json

@@ -19,7 +19,7 @@
     "eslint-config-xo": "^0.19.0",
     "eslint-plugin-prettier": "^2.2.0",
     "husky": "^0.14.3",
-    "jest": "^21.0.0",
+    "jest": "^22.0.4",
     "jest-cli": "^21.0.0",
     "lint-staged": "^6.0.0",
     "nsp": "^3.1.0",