Readme updates
Add a default to examples

Fixes #4
corrected typo
Update travis file for django 1.6
Style fix
Add LICENSE (BSD 3-clause)

Closes #11.
Add Manifest file
Add file extention
Switch license to BSD two-clause
Make INSTALLED_APPS in readme copy-paste-able

Closes #15
Start using tox for testing
Drop support for django 1.5, add for 1.6
Drop support for django 1.4
Move all testsing stuff into tests/ directory
Getting reporting to coveralls working
Add python version classifiers to setup.py
Use a pytz.common_timezone in the tests
Test against postgres as well as sqlite
Expand tests over django 1.7
Add tests for deconstruct method