Drop Pythons 3.2, 3.3 for Django `master`

No longer supported

.travis.yml

@@ -24,16 +24,12 @@ env:
     - TOX_ENV=py27-django15
     - TOX_ENV=py26-django15
     - TOX_ENV=py27-djangomaster
-    - TOX_ENV=py32-djangomaster
-    - TOX_ENV=py33-djangomaster
     - TOX_ENV=py34-djangomaster
 
 matrix:
   fast_finish: true
   allow_failures:
     - env: TOX_ENV=py27-djangomaster
-    - env: TOX_ENV=py32-djangomaster
-    - env: TOX_ENV=py33-djangomaster
     - env: TOX_ENV=py34-djangomaster
 
 install:

tox.ini

@@ -5,7 +5,8 @@ addopts=--tb=short
 envlist =
        py27-{lint,docs},
        {py26,py27,py32,py33,py34}-django{15,16},
-       {py27,py32,py33,py34}-django{17,18,master}
+       {py27,py32,py33,py34}-django{17,18},
+       {py27,py34}-django{master}
 
 [testenv]
 commands = ./runtests.py --fast {posargs} --coverage