pkg: Rename ovirt-config-setup to ovirt-node-setup

To have a common prefix for Node applications.
To prevent collisions and target a common naming scheme.

Change-Id: I106df368341c088a5ec8c5cf2a92c8253db62d35
Bug-Url: https://bugzilla.redhat.com/show_bug.cgi?id=969143
Signed-off-by: Fabian Deutsch <fabiand@fedoraproject.org>