run test against 1.6 final

tox.ini

@@ -44,7 +44,7 @@ deps =
 [testenv:py26]
 basepython = python2.6
 deps =
-    https://www.djangoproject.com/m/releases/1.6/Django-1.6c1.tar.gz#egg=Django
+    Django==1.6
     mock
     jinja2
     futures
@@ -52,7 +52,7 @@ deps =
 [testenv:py27]
 basepython = python2.7
 deps =
-    https://www.djangoproject.com/m/releases/1.6/Django-1.6c1.tar.gz#egg=Django
+    Django==1.6
     mock
     jinja2
     futures
@@ -60,7 +60,7 @@ deps =
 [testenv:pypy]
 basepython = pypy
 deps =
-    https://www.djangoproject.com/m/releases/1.6/Django-1.6c1.tar.gz#egg=Django
+    Django==1.6
     mock
     jinja2
     futures
@@ -69,7 +69,7 @@ deps =
 basepython = python3.3
 deps =
     jinja2
-    https://www.djangoproject.com/m/releases/1.6/Django-1.6c1.tar.gz#egg=Django
+    Django==1.6
 
 [testenv:docs]
 basepython = python2.7