djangolib: Append trailling slash on default root redirects
django_lib: Component's urlpatterns utilty
extend_with_root_redirects can be used by components to easily extend theregistered urlpatterns with utility redirect views for the root urls.
astakos: Adapt tests to 2.6-style unittest
Define assertGreater, assertIn, assertRaises in snf_django.utils.testing
Improve mocked quotaholder
Mock 'resolve_commissions' call.
Mock quotaholder for Cyclades tests
Create 'mocked_quotaholder' context manager to bypass commission and useit in Cyclades tests. Also this commit does some various fixes to othertests.
Move common test code to snf_django.lib.testing