Update ruby193-rubygem-unf to 0.1.3-4.el6

- Modernise spec for EL7 (dcleal@redhat.com)
Update ruby193-rubygem-net-ldap to 0.3.1-2.el6

- Modernise spec for EL7 (dcleal@redhat.com)
Update ruby193-rubygem-unf_ext to 0.0.6-5.el6

- Modernise spec for EL7 (dcleal@redhat.com)
Update ruby193-rubygem-passenger to 4.0.18-9.5.el6

- Modernise spec for EL7 (dcleal@redhat.com)
Update rubygem-passenger to 4.0.18-9.5.el6

- Modernise spec for EL7 (dcleal@redhat.com)