chore(package): update flow-bin to version 0.79.1

Closes #17

Author: greenkeeper[bot]

package.json

@@ -48,7 +48,7 @@
     "eslint-plugin-import": "^2.8.0",
     "eslint-plugin-prettier": "^2.6.0",
     "fetch-mock": "^6.0.0",
-    "flow-bin": "^0.70.0",
+    "flow-bin": "^0.79.1",
     "jest": "22.4.3",
     "mongodb-memory-server": "^1.6.5",
     "nodemon": "^1.15.1",