Remove travis while in pre-release

.travis.yml

-language: python
-
-python:
-  - "2.6"
-  - "2.7"
-
-env:
-  - DJANGO=https://github.com/django/django/zipball/master TESTS='python setup.py test'
-  - DJANGO=django==1.4.1 --use-mirrors TESTS='python setup.py test'
-  - DJANGO=django==1.3.3 --use-mirrors TESTS='python setup.py test'
-
-# command to install dependencies, e.g. pip install -r requirements.txt --use-mirrors
-install:
-  - pip install $DJANGO 
-  - pip install -e . --use-mirrors
-  - pip install -r requirements.txt
-
-# command to run tests, e.g. python setup.py test
-script:
-  - $TESTS