Remove accidentally committed doc stuff.
test_helpers.mixins: Fix __all__.
test_helpers.utils: Deprecate create_ppatch & ppatch.
tests.integration.test_mixins: Remove unused import.
test_helpers.mixins: Add EnvironmentMixin.

This was originally created to test the up-and-coming rabbit
stuff but it is useful enough in it's own right.
Add rabbit module.
tox.ini: Remove unittest report copying.
Make tests pass when rabbit unavailable.
Add a comment explaining __test__ attribute.
Merge pull request #7 from aweber/add-rabbitmq-helpers

Add rabbitmq helpers