Ensure that Kibana uses the same port Nginx binds to

Nginx reverse proxies requests to ElasticSearch and serves the static
Kibana website. In order for Kibana to talk to ElasticSearch, it needs
to direct its internal requests at Nginx, so that they can be proxied to
Kibana.

This changeset also repairs the Kibana example in the `examples`
directory.
0.1.1
Merge branch 'release/0.1.1' into develop