Fix travis and tox.

.travis.yml

@@ -6,8 +6,7 @@ env:
 - TOXENV=django110
 - TOXENV=django111
 install:
-- pip install -r requirements.txt
-- pip install -r test-requirements.txt
+- pip install tox
 - pip install coveralls
 script:
 - tox

test-requirements.txt

@@ -3,4 +3,3 @@ ddt==0.8.0
 django-nose==1.4.4
 mock==1.0.1
 pylint==1.3.0
-tox==2.7.0

tox.ini

@@ -3,10 +3,10 @@ envlist = django{18,110,111}
 
 [testenv]
 deps =
-    -r{toxinidir}/requirements.txt
-    -r{toxinidir}/test-requirements.txt
     django18: Django>=1.8,<1.9
     django110: Django>=1.10,<1.11
     django111: Django>=1.11,<2
+    -r{toxinidir}/requirements.txt
+    -r{toxinidir}/test-requirements.txt
 commands =
     python manage.py test {posargs}