Update tox.ini.

tox.ini

@@ -14,14 +14,14 @@ commands = coverage run -a setup.py test
 [testenv:py26-1.4]
 basepython = python2.6
 deps =
-    Django == 1.4.5
+    Django == 1.4.10
     South == 0.7.6
     coverage == 3.6
 
 [testenv:py26-1.5]
 basepython = python2.6
 deps =
-    Django == 1.5.1
+    Django == 1.5.5
     South == 0.8.1
     coverage == 3.6
 
@@ -35,21 +35,21 @@ deps =
 [testenv:py27-1.4]
 basepython = python2.7
 deps =
-    Django == 1.4.5
+    Django == 1.4.10
     South == 0.8.1
     coverage == 3.6
 
 [testenv:py27-1.5]
 basepython = python2.7
 deps =
-    Django == 1.5.1
+    Django == 1.5.5
     South == 0.8.1
     coverage == 3.6
 
 [testenv:py27-1.6]
 basepython = python2.7
 deps =
-    https://github.com/django/django/tarball/stable/1.6.x
+    Django == 1.6.1
     South == 0.8.1
     coverage == 3.6
 
@@ -63,20 +63,20 @@ deps =
 [testenv:py27-1.5-nosouth]
 basepython = python2.7
 deps =
-    Django == 1.5.1
+    Django == 1.5.5
     coverage == 3.6
 
 [testenv:py32-1.5]
 basepython = python3.2
 deps =
-    Django == 1.5.1
+    Django == 1.5.5
     South == 0.8.1
     coverage == 3.6
 
 [testenv:py32-1.6]
 basepython = python3.2
 deps =
-    https://github.com/django/django/tarball/stable/1.6.x
+    Django == 1.6.1
     South == 0.8.1
     coverage == 3.6
 
@@ -90,14 +90,14 @@ deps =
 [testenv:py33-1.5]
 basepython = python3.3
 deps =
-    Django == 1.5.1
+    Django == 1.5.5
     South == 0.8.1
     coverage == 3.6
 
 [testenv:py33-1.6]
 basepython = python3.3
 deps =
-    https://github.com/django/django/tarball/stable/1.6.x
+    Django == 1.6.1
     South == 0.8.1
     coverage == 3.6