chore(package): update nightwatch to version 0.9.0
chore(package): update nightwatch to version 0.9.0

https://greenkeeper.io/
michellephung/couchdb-fauxton,popojargo/couchdb-fauxton,robertkowalski/couchdb-fauxton,robertkowalski/couchdb-fauxton,apache/couchdb-fauxton,apache/couchdb-fauxton,cloudant/couchdb-fauxton,garrensmith/couchdb-fauxton,benkeen/couchdb-fauxton,benkeen/couchdb-fauxton,apache/couchdb-fauxton,cloudant/couchdb-fauxton,apache/couchdb-fauxton,robertkowalski/couchdb-fauxton,michellephung/couchdb-fauxton,cloudant/couchdb-fauxton,garrensmith/couchdb-fauxton,popojargo/couchdb-fauxton,robertkowalski/couchdb-fauxton,popojargo/couchdb-fauxton,cloudant/couchdb-fauxton,michellephung/couchdb-fauxton,michellephung/couchdb-fauxton,garrensmith/couchdb-fauxton,garrensmith/couchdb-fauxton,benkeen/couchdb-fauxton,michellephung/couchdb-fauxton,popojargo/couchdb-fauxton