Add warnings build, update requirements

- coverage 3.7.1 => 4.0 (since py 3.2 is deprecated now)
- pytz 2015 => 2016 (fix deprecation warnings)
- remove maintainer list from test (speed up dep install)

.travis.yml

@@ -18,11 +18,11 @@ env:
   - DJANGO="django>=1.8.0,<1.9.0" REST_FRAMEWORK="djangorestframework>=3.3,<3.4"
 
 install:
+  - travis_retry pip install -Ur requirements/travis-ci.txt
   - travis_retry pip install $DJANGO $REST_FRAMEWORK
-  - travis_retry pip install -r requirements/travis-ci.txt
 
 script:
-  - coverage run --source django_filters runtests.py -v 2
+  - $W coverage run --source django_filters runtests.py -v 2
   - coverage report
 
 notifications:
@@ -36,6 +36,10 @@ matrix:
       env: DJANGO="django>=1.10.0,<1.11.0" REST_FRAMEWORK="djangorestframework>=3.4,<3.5"
     - python: "3.3"
       env: DJANGO="django>=1.9.0,<1.10.0" REST_FRAMEWORK="djangorestframework>=3.4,<3.5"
+  include:
+    - python: "3.5"
+      env: W='python -W error -m' DJANGO='https://github.com/django/django/archive/master.tar.gz' REST_FRAMEWORK='djangorestframework>=3.4,<3.5'
   allow_failures:
+    - env: W='python -W error -m' DJANGO='https://github.com/django/django/archive/master.tar.gz' REST_FRAMEWORK='djangorestframework>=3.4,<3.5'
     - env: DJANGO='https://github.com/django/django/archive/master.tar.gz' REST_FRAMEWORK='djangorestframework>=3.4,<3.5'
   fast_finish: true

requirements/maintainer.txt

@@ -13,13 +13,14 @@ pathtools==0.1.2
 pbr==1.7.0
 pkginfo==1.2.1
 Pygments==2.1.3
-pytz==2015.7
+pytz==2016.6.1
 PyYAML==3.11
 requests==2.9.1
 requests-toolbelt==0.6.0
 six==1.9.0
 snowballstemmer==1.2.1
 Sphinx==1.3.6
+sphinx-autobuild==0.6.0
 sphinx-rtd-theme==0.1.9
 tornado==4.2.1
 twine==1.6.5

requirements/test.txt

@@ -1,6 +1,3 @@
--r maintainer.txt
-coverage==3.7.1
-django-discover-runner
-mock
-sphinx-autobuild
+-r travis-ci.txt
+django
 djangorestframework

requirements/travis-ci.txt

@@ -1 +1,3 @@
--r test.txt
+coverage
+mock
+pytz