Add actual man pages, it seems the man package only installs `man`.
Add actual man pages, it seems the man package only installs `man`.

Without these other packages, there's no actual man pages available for
anything.

ryanlovett/datahub,berkeley-dsep-infra/datahub,berkeley-dsep-infra/datahub,ryanlovett/datahub,berkeley-dsep-infra/datahub,ryanlovett/datahub