Hackfix
I hate OS X nbsp
Add a tox configuration file. Failures, failures, failures.
tox: Stop running tests against Django 1.7, django-countries is not compatible
Compatibility with discovery test runner
pytz is a dependency too
Fix two test failures with Django 1.4
Hack around timezone-related problems with Django 1.4 (Testsuite only)
Always emit all warnings in the tests when inside catch_warnings
Implement the config fieldsets in the discount administration without thread locals

Also, be compatible with Django 1.6.

Refs #63.
Switch to setuptools and proper requirements handling

Fixes #64.
Fix #27: Mark stock transaction models as abstract if stock tracking not active

Workaround for a Django bug: http://code.djangoproject.com/ticket/19422
add travis config
Kick
Add a travis image
Start enforcing coding style rules using flake8
Further work on fixing flake8 warnings
plata is flake8 clean now, examples and tests still aren't
Replace StringIO with BytesIO where appropriate (everywhere in this case)
Add shipping to plata/_order_overview.html