Consolidate CI tools into setup.cfg and drop tox

.travis.yml

@@ -9,16 +9,14 @@ sudo: false
 matrix:
     include:
         - python: 3.4
-          env: TOXENV=py34
         - python: 3.5
-          env: TOXENV=py35
         - python: 3.6
-          env: TOXENV=py36
         - python: 3.6
-          env: TOXENV=pycodestyle
 
 install:
     - pip install --requirement requirements.txt
-    - pip install tox
 
-script: tox -c src/tox.ini
+script:
+    - pytest src/
+    - pycodestyle src/
+    - coveralls

src/pytest.ini → src/setup.cfg

@@ -1,8 +1,15 @@
-[pytest]
+[pycodestyle]
+exclude = migrations, paperless/settings.py
+
+
+[tool:pytest]
 DJANGO_SETTINGS_MODULE=paperless.settings
-addopts = --pythonwarnings=all
+addopts = --pythonwarnings=all -n auto
 env =
   PAPERLESS_CONSUME=/tmp
   PAPERLESS_PASSPHRASE=THISISNOTASECRET
   PAPERLESS_SECRET=paperless
   PAPERLESS_EMAIL_SECRET=paperless
+
+[coverage:paths]
+source = ./