Added NGINX_WORKERS configuration
fix directory typo
Merge pull request #27 from kanzure/fix-readme-typo

Fix directory typo
Use Heroku's latest http request id header

Closes #26

Documentation on the header: https://devcenter.heroku.com/articles/http-request-id
Merge pull request #25 from johnkchow/master

Added NGINX_WORKERS configuration
Merge branch 'master' of https://github.com/ryandotsmith/nginx-buildpack