Update to the latest guest tools
Update to the latest guest tools

Includes:

- Move logging to joyent_rc.local
https://github.com/joyent/sdc-vmtools-lx-brand/pull/25
- User script logging
https://github.com/joyent/sdc-vmtools-lx-brand/pull/24

chorrell/fedora-lx-brand-image-builder,joyent/fedora-lx-brand-image-builder