have nginx pass host header to web workers
petri: update set redis and rabbit credentials in env
Merge pull request #5 from mark-burnett/nginx-set-host

Fix Host header with nginx and set credentials in environment for Petri
get rid of references to "fork"
Merge pull request #6 from mark-burnett/rename-shell-command

Rename shell-command-fork to shell-command
install librabbitmq and hiredis into virtualenvs
set host/port environment for workflow web
whitespace
Merge pull request #8 from mark-burnett/set-workflow-env-vars

Set host/port environment for workflow web
Merge pull request #7 from mark-burnett/benchmark-changes

Install librabbitmq and hiredis into virtualenvs
run python setup.py develop in all code repos
fix argument to defined()
Merge pull request #10 from mark-burnett/bugfix-pip-install

Fix argument to defined()
Merge pull request #9 from mark-burnett/install-service-code-to-virtualenv

Run python setup.py develop in all code repos
specify full path to test
Merge pull request #11 from mark-burnett/fix-setup.py-develop

Specify full path to test
bugfix:  fix missed rename from `ip` to `host`
Merge pull request #12 from mark-burnett/bugfix-petri-host-param

Bugfix:  fix missed rename from `ip` to `host`
use require instead of include for ptero params
ensure pip is installed before circus