Grab requirements.txt for tests and remove Django 1.3 testing (requirements.txt asks for Django>1.4)

.travis.yml

@@ -3,11 +3,11 @@ python:
     - "2.6"
     - "2.7"
 env:
-    - DJANGO=1.3.7
     - DJANGO=1.4.13
     - DJANGO=1.5.8
     - DJANGO=1.6.5
 install:
     - pip install argparse
     - pip install -q Django==$DJANGO
+    - pip install -q -r requirements.txt
 script: python quicktest.py helpdesk