Adjustments for setup requirements
* Fix some typos, missing or surplus dependencies.
* Remove setup requirement on wheel since it triggers download.
ipatests is now installable. Tests need further changes to be runable.
https://fedorahosted.org/freeipa/ticket/6468
Signed-off-by: Christian Heimes <cheimes@redhat.com>
Reviewed-By: Martin Babinsky <mbabinsk@redhat.com>
Reviewed-By: Jan Cholasta <jcholast@redhat.com>
Reviewed-By: Martin Basti <mbasti@redhat.com>