docs(installing_deis): clarify no web UI
Revert "fix(controller): use /bin/sh as entrypoint for run"

This reverts commit 92cb26a054afff117e4c56f434cc00093d23a690.
docs(client): specify default env for `deis run`
chore(router): update nginx to stable 1.6.1

Three bug fixes since 1.6.0:
http://nginx.org/en/CHANGES-1.6
Merge pull request #1596 from carmstrong/clarify_dns_access

docs(installing_deis): clarify no web UI
Merge pull request #1600 from bacongobbler/deis-run-bash

fix(controller): run apps under /bin/bash
Merge pull request #1609 from mboersma/update-nginx-161

chore(router): update nginx to stable 1.6.1