Fix py_modules in setup.py, and duplicate declaration of cpopen.so in
spec

After modifying cpopen.py to __init__.py we should also update setup.py
parameters.

Both only omit warnings during build.

Change-Id: I253adf740d31aec59e19136d07e3221ee7b2823d
Signed-off-by: Yaniv Bronhaim <ybronhei@redhat.com>
Reviewed-on: http://gerrit.ovirt.org/14915
Reviewed-by: Timothy Asir <tjeyasin@redhat.com>
Reviewed-by: Dan Kenigsberg <danken@redhat.com>
Tested-by: Dan Kenigsberg <danken@redhat.com>