Merge "tox: Remove dead settings/targets"

tox.ini

@@ -1,11 +1,7 @@
 [tox]
-envlist = pep8,docs,py27,py37,py36,py35,py34
+envlist = pep8,docs,py27,py3{4,5,6,7}
 
 [testenv]
-install_command = pip install -U {opts} {packages}
-setenv =
-    VIRTUAL_ENV={envdir}
-
 commands =
   python -m git_review.tests.check_test_id_hashes discover --list
   python -m git_review.tests.prepare
@@ -18,9 +14,6 @@ deps =
 [testenv:pep8]
 commands = flake8
 
-[testenv:sdist]
-commands = python setup.py sdist {posargs}
-
 [testenv:docs]
 deps =
   -r{toxinidir}/requirements.txt
@@ -34,4 +27,4 @@ commands = {posargs}
 [flake8]
 ignore = E125,H202,H405,H904
 show-source = True
-exclude = .venv,.git,.tox,dist,doc,*openstack/common*,*lib/python*,*egg,build
+exclude = .venv,.git,.tox,dist,doc,releasenotes,*lib/python*,*egg,build