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`
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
chore(controller): update celery to 3.1.13

Several bug fixes, some specific to Django:
http://docs.celeryproject.org/en/latest/changelog.html#version-3-1-13