Add bindep support to tox

This change will allow a developer to run bindep via tox to install all of
the required system packages needed to run general tests.

> Integration `tox -e bindep`

This will also allow CI to using the bindep file to install basic required
packages as needed.

Change-Id: I83e5e4f8dd5bb9acd4e6b21bf86f729bfc5447d4
Signed-off-by: Kevin Carter <kecarter@redhat.com>

tox.ini

@@ -13,6 +13,10 @@ deps =
 commands = stestr run {posargs}
 whitelist_externals = bash
 
+[testenv:bindep]
+deps = bindep
+commands = bash -c "{toxinidir}/scripts/bindep-install"
+
 [testenv:pep8]
 basepython = python3
 commands = flake8