Avoid init code in __init__.py and in general at "module level"

[fero]

That's why we have to avoid code in init.py

Code is executed at import-time.

The following error arises when you perform a syncdb with a clean db. It tries to register roles from auth/init.py but tables are not created yet

  File "/home/fero/src/gasistafelice/gasistafelice/../gasistafelice/supplier/models.py", line 18, in <module>
    from gasistafelice.auth import SUPPLIER_REFERRER
  File "/home/fero/src/gasistafelice/gasistafelice/../gasistafelice/auth/__init__.py", line 63, in <module>
    roles_dict[name] = register_role(name)
  File "/home/fero/.virtualenvs/desmacerata/lib/python2.6/site-packages/permissions/utils.py", line 503, in register_role
    role = Role.objects.create(name=name)

[fero]

Fixed for auth application and for base/workflows.py

note: I had to rename workflows.py to fix "import workflows" statement