defunctzombie/zuul — pull request #113 by danielstjules (2014-12-08 04:00:24+00:00)
Title: Complete defunctzombie/zuul#74 Enable use of $ZUUL_PORT in server

In reference to https://github.com/defunctzombie/zuul/issues/74. Some example possible servers:

```yaml
server: "python -m SimpleHTTPServer $ZUUL_PORT"
server: "http-server -p $ZUUL_PORT"
# etc
```