Signed-off-by: Steve Lacy <me@slacy.me>

Export struct members of GatewayConfig{}

Add env configurable readTimeout / writeTimeout
Add env-timeout test
Modify appropriate Dockerfiles

Signed-off-by: leigh schrandt <leigh@null.net>

RE: #105

* Refresh README
- Remove links out to Tweets / earlier development
- Feature CLI usage on front page

- Watchdog - allow new methods with and without body.
- Enforce hard-timeout via exec_timeout variable.
- Correct bug in timeouts for read/write of HTTP.
- Documentation for new verbs and hard timeout.

Signed-off-by: Alex Ellis <alexellis2@gmail.com>