Add a default pytest configuration file.

This allows pytest to actually find our tests according to our conventions,
either using app/tests.py or app/tests/*_tests.py.
Merge pull request #51 from aptivate/add_console_logging

Add console logging by default.
Merge pull request #55 from aptivate/add_pytest_ini

Add a default pytest configuration file.
Stop using deprecated option

--bind is deprecated. This changes it to the replacement option
--bind-address.

Patch submitted by Daniel in
https://github.com/aptivate/cookiecutter-django-dye/pull/1
Have fablib look for python 2.7 before python 2.6
Merge branch 'develop' into add_django_assets

* develop:
  Have fablib look for python 2.7 before python 2.6
  Stop using deprecated option
  Add a default pytest configuration file.
Do assets clean before build

As done in ruforum in commit 4014751dce81c850e167204df367d51c949e5cfd
Add ASSETS_DEBUG and ASSETS_AUTO_BUILD to local_settings.*

So that changing DEBUG in local_settings will change the other bits
aswell.