Add django 2.0 to tests

.travis.yml

@@ -7,12 +7,16 @@ python: "3.6"
 env:
   - TOXENV=py27-django111
   - TOXENV=py34-django111
+  - TOXENV=py34-django200
   - TOXENV=py35-django111
+  - TOXENV=py35-django200
   - TOXENV=py35-djangomaster
   - TOXENV=py36-django111
+  - TOXENV=py36-django200
   - TOXENV=py36-djangomaster
   # XXX: Use a matrix to build these?
   - TOXENV=py36-django111-postgres DB=postgres
+  - TOXENV=py36-django200-postgres DB=postgres
   - TOXENV=py36-djangomaster-postgres DB=postgres
 
 services:
@@ -21,13 +25,21 @@ services:
 matrix:
   fast_finish: true
   include:
+    - python: "2.7"
+      env: TOXENV=py27-django111
     - python: "3.5"
       env: TOXENV=py35-django111
+    - python: "3.5"
+      env: TOXENV=py35-django200
     - python: "3.5"
       env: TOXENV=py35-djangomaster
   exclude:
+    - python: "3.6"
+      env: TOXENV=py27-django111
     - python: "3.6"
       env: TOXENV=py35-django111
+    - python: "3.6"
+      env: TOXENV=py35-django200
     - python: "3.6"
       env: TOXENV=py35-djangomaster
   allow_failures:

tox.ini

@@ -1,9 +1,9 @@
 [tox]
 envlist =
 	py27-django{111}
-	py34-django{111}
-	py35-django{111,master}
-	py36-django{111,master}
+	py34-django{111,200}
+	py35-django{111,200,master}
+	py36-django{111,200,master}
 	docs
 
 [testenv]
@@ -15,6 +15,7 @@ deps =
 	coverage
 	dj-database-url
 	django111: Django >= 1.11, < 2.0
+	django200: Django ~= 2.0.0
 	djangomaster: https://github.com/django/django/archive/master.tar.gz
 	postgres: psycopg2
 commands =