Only test stable version of Django, django master seems broken.

.travis.yml

@@ -2,16 +2,16 @@ language: python
 python:
   - 2.7
 env:
-  - TOX_ENV=py33-dj
+  - TOX_ENV=py33-dj16
   - TOX_ENV=py33-dj15
-  - TOX_ENV=py32-dj
+  - TOX_ENV=py32-dj16
   - TOX_ENV=py32-dj15
-  - TOX_ENV=py27-dj
+  - TOX_ENV=py27-dj16
   - TOX_ENV=py27-dj15
   - TOX_ENV=py27-dj14
   - TOX_ENV=py27-dj13
   - TOX_ENV=py27-dj12
-  - TOX_ENV=py26-dj
+  - TOX_ENV=py26-dj16
   - TOX_ENV=py26-dj15
   - TOX_ENV=py26-dj14
   - TOX_ENV=py26-dj13

tox.ini

@@ -16,6 +16,8 @@ common =
     unittest-xml-reporting
 for-dj =
     django-haystack
+for-dj16 =
+    django-haystack
 for-dj15 =
     django-haystack
 for-dj14 =
@@ -27,6 +29,7 @@ for-dj12 =
 
 [django]
 latest = http://github.com/django/django/tarball/master
+1.6.x  = Django>=1.6,<1.7
 1.5.x  = Django>=1.5,<1.6
 1.4.x  = Django>=1.4,<1.5
 1.3.x  = Django>=1.3,<1.4
@@ -51,6 +54,13 @@ deps =
     {[libs]for-dj}
     {[django]latest}
 
+[testenv:py33-dj16]
+basepython = python3.3
+deps =
+    {[libs]common}
+    {[libs]for-dj16}
+    {[django]1.6.x}
+
 [testenv:py33-dj15]
 basepython = python3.3
 deps =
@@ -69,6 +79,13 @@ deps =
     {[libs]for-dj}
     {[django]latest}
 
+[testenv:py32-dj16]
+basepython = python3.2
+deps =
+    {[libs]common}
+    {[libs]for-dj16}
+    {[django]1.6.x}
+
 [testenv:py32-dj15]
 basepython = python3.2
 deps =
@@ -87,6 +104,13 @@ deps =
     {[libs]for-dj}
     {[django]latest}
 
+[testenv:py27-dj16]
+basepython = python2.7
+deps =
+    {[libs]common}
+    {[libs]for-dj16}
+    {[django]1.6.x}
+
 [testenv:py27-dj15]
 basepython = python2.7
 deps =
@@ -128,6 +152,13 @@ deps =
     {[libs]for-dj}
     {[django]latest}
 
+[testenv:py26-dj16]
+basepython = python2.6
+deps =
+    {[libs]common}
+    {[libs]for-dj16}
+    {[django]1.6.x}
+
 [testenv:py26-dj15]
 basepython = python2.6
 deps =