Moved tests/ into form_models/tests/

added colour_runner

Run tests on postgresql

Simlified test runner
Add changelog [ci skip]
Fixed travis requirements
fix version
Travis bumb
Fix travis for python 2.6
Removed Python 2.6

Now testing Django 1.4, 1.5, 1.6, & 1.7
after_success removed
added pip install DJANGO to travis.yaml
Merge pull request #1 from incuna/move-tests

Simplified tests