fix(package): update inquirer to version 5.1.0

Closes #32

Author: greenkeeper[bot]

package.json

@@ -28,7 +28,7 @@
   "license": "MIT",
   "dependencies": {
     "commander": "^2.11.0",
-    "inquirer": "^3.2.1"
+    "inquirer": "^5.1.0"
   },
   "devDependencies": {
     "ava": "^0.22.0",