Fix misc RPM specfile flaws
Fix misc RPM specfile flaws

Fix the RPM summary line, add placeholder %changelog tag,
make %setup quiet, add Url: tag and filter out bogus
provides and add example programs as docs.

Signed-off-by: Daniel P. Berrange <bb938cf255e055ff3507f2627d214e8e62118fcf@redhat.com>

libvirt/libvirt-python,libvirt/libvirt-python,libvirt/libvirt-python