Add python 3.2 and django 1.5

.travis.yml

@@ -1,12 +1,13 @@
 language: python
 python:
-  - "2.5"
   - "2.6"
   - "2.7"
+  - "3.2"
 
 env:
-  - DJANGO_VERSION=1.3.3
-  - DJANGO_VERSION=1.4.1
+  - DJANGO=django==1.3
+  - DJANGO=django==1.4
+  - DJANGO=https://github.com/django/django/tarball/stable/1.5.x
 
 install:
   - pip install -q Django==$DJANGO_VERSION --use-mirrors
@@ -19,3 +20,14 @@ branches:
   only:
     - master
     - develop
+
+matrix:
+  exclude:
+    # Django < 1.5 not supported on python 3
+    - python: "3.2"
+      env: DJANGO=django==1.3
+    - python: "3.2"
+      env: DJANGO=django==1.4
+    # Django 1.5 strongly recommends python 2.7 or later (so skip 2.6)
+    - python: "2.6"
+      env: DJANGO=https://github.com/django/django/tarball/stable/1.5.x