added faafo example

faafo/tox.ini

@@ -0,0 +1,27 @@
+[tox]
+minversion = 1.6
+envlist = pep8
+skipsdist = True
+
+[testenv]
+usedevelop = True
+deps = -r{toxinidir}/test-requirements.txt
+       -r{toxinidir}/requirements.txt
+install_command = pip install -U {opts} {packages}
+
+[testenv:venv]
+commands = {posargs}
+
+[testenv:docs]
+commands = python setup.py build_sphinx
+
+[testenv:genconfig]
+commands =
+  oslo-config-generator --config-file etc/oslo-config-generator/faafo.conf
+
+[testenv:pep8]
+commands = flake8 {posargs}
+
+[flake8]
+show-source = True
+exclude=.venv,.git,.tox,*egg*,build,*openstack/common*