Tests updates

* Removed Django 1.2
* Don't run dev tests on travis

.travis.yml

@@ -1,6 +1,5 @@
 language: python
 env:
-  - DJANGO="django>=1.2,<1.3"
   - DJANGO="django>=1.3,<1.4"
   - DJANGO="django>=1.4,<1.5"
   - DJANGO="django>=1.5,<1.6"

requirements.txt

@@ -1,2 +1,2 @@
-Django>=1.2
-shortuuid>=0.3
+Django>=1.3
+shortuuid>=0.3

tox.ini

@@ -29,12 +29,6 @@ basepython = python2.7
 deps = django>=1.3,<1.4
      {[testenv]deps}
 
-[testenv:py2.7-django1.2]
-basepython = python2.7
-deps = django>=1.2,<1.3
-     {[testenv]deps}
-
-
 [testenv:py2.6-django.dev]
 basepython = python2.6
 deps = https://github.com/django/django/zipball/master
@@ -55,7 +49,3 @@ basepython = python2.6
 deps = django>=1.3,<1.4
      {[testenv]deps}
 
-[testenv:py2.6-django1.2]
-basepython = python2.6
-deps = django>=1.2,<1.3
-     {[testenv]deps}