Fix a few packaging bugs, including and especially a temporary patch to our upstart script to mount cgroups properly

Docker-DCO-1.1-Signed-off-by: Andrew Page <admwiggin@gmail.com> (github: tianon)
Docker-DCO-1.1-Signed-off-by: Tianon Gravi <admwiggin@gmail.com> (github: crosbymichael)