Refresh, new images and new guest additions

- debian-607
- debian-70rc
- centos-59
- centos-64
- fedora-18

And update 4.2.10 guest additions, plus -nocm variants.

I also include an 'example' vagrant project that people can try.

Signed-off-by: Ken Barber <ken@bob.sh>
Merge pull request #8 from kbarber/ticket/master/box_refresh

Refresh, new images and new guest additions