MIME type "text/html" is already included by default

See http://nginx.org/en/docs/http/ngx_http_gzip_module.html#gzip_types

* container stopped
* file handles closed

This reverts commit 64dc2b1b.

this is a good blend of on the fly cpu utilization with file size
Thanks @jmervine

Ordered Routing

The requests will try to match based on this order top-down irregardless of which options are used:

* Root Files
* Clean URLs
* Proxies
* Redirects
* Custom Routes
* 404

CircleCI

* move spec docker things into spec/support/docker/
* rake shell now copies src files into /app/ and generates nginx.conf
* rake server[fixture] will now boot an nginx server locally

Use the right variable to check the config file presence on

Restore optional nature of static.json.

Document and fix running the tests with boot2docker

Add option to redirect all http traffic to https