Configure pytest to run doctests

The pytest.ini file needs to be in or above the directory py.test is called in.
When in IPA project root, this invocation will find ./ipatests/pytest.ini:
    py.test ipatests/
but these will not (they're equivalent):
    py.test .
    py.test
So pytest.ini must be in the project root.

However, setupttols can't include files outside package directories,
so we also need this file to be under ipatests/

Solve the problem by symlinking ./pytest.ini to ipatests/pytest.ini.

https://fedorahosted.org/freeipa/ticket/4610

Reviewed-By: Tomas Babej <tbabej@redhat.com>

pytest.ini

@@ -0,0 +1 @@
+ipatests/pytest.ini