Sync tox.ini

This is the latest version of tox.ini we are using for other windmill
projects.

Change-Id: Ica5dffc02ef69fc8881dd904447333c925b6e8ca
Signed-off-by: Paul Belanger <pabelanger@redhat.com>

tox.ini

@@ -7,16 +7,14 @@ skipsdist = True
 deps = -r{toxinidir}/requirements.txt
        -r{toxinidir}/test-requirements.txt
 
-[testenv:functional]
-commands =
-  ansible-playbook -i tests/inventory tests/test.yaml
-passenv = HOME
-setenv =
-  ANSIBLE_CONFIG = {toxinidir}/tests/ansible.cfg
-  PYTHONUNBUFFERED = 1
-
 [testenv:docs]
-commands = python setup.py build_sphinx
+deps = -r{toxinidir}/doc/requirements.txt
+whitelist_externals =
+  bash
+commands=
+  bash -c "rm -rf doc/build"
+  doc8 doc
+  sphinx-build -b html doc/source doc/build/html
 
 [testenv:venv]
 commands = {posargs}
@@ -37,8 +35,8 @@ commands =
   # PEP8 Lint Check
   flake8
   # Ansible Lint Check
-  bash -c "find . -type f -regex '.*.y[a]?ml' -print0 | xargs -t -n1 -0 \
-    ansible-lint"
+  bash -c "find . -not -path '*/\.*' -type f -regex '.*.y[a]?ml' -print0 | \
+    xargs -t -n1 -0 ansible-lint"
   # Ansible Syntax Check
   bash -c "find tests -type f -regex '.*.y[a]?ml' -print | xargs -t -n1 \
     ansible-playbook --syntax-check -i tests/inventory \