Update travis config, remove django 1.4 stuff

.travis.yml

@@ -5,7 +5,8 @@ python:
   - "3.2"
   - "3.3"
 env:
-    - DJANGO="Django>=1.4,<1.5"
+# Django 1.4 support is dumped because of introduction of python3 support
+#    - DJANGO="Django>=1.4,<1.5"
     - DJANGO="Django>=1.5,<1.6"
     - DJANGO="Django>=1.6,<1.7"
 #    - DJANGO="Django>=1.7,<1.8"
@@ -17,8 +18,9 @@ matrix:
         #- python: "2.6"
         #  env: DJANGO="Django>=1.7,<1.8"
         # Support for python 3 was added in Django 1.5
-        - python: "3.3"
-          env: DJANGO="Django>=1.4,<1.5"
+        #- python: "3.3"
+        #  env: DJANGO="Django>=1.4,<1.5"
+        # Example left, although not in use.
         - python: "3.2"
           env: DJANGO="Django>=1.4,<1.5"
 # command to run tests