chore(package): update eslint to version 3.17.1
chore(package): update eslint to version 3.17.1

https://greenkeeper.io/

jamiehodge/express-graphql,jamiehodge/express-graphql,wincent/express-graphql,graphql/express-graphql,graphql/express-graphql,wincent/express-graphql,jamiehodge/express-graphql,wincent/express-graphql,graphql/express-graphql