Description of problem:
Three distinct issues:

  1. When checking for an unset hostname, we should also check for 
     "localhost.localdomain" in addition to just "localhost".  If we
     wanted to get overly picky we could source the network scripts
     and use the need_hostname function.  This patch takes the easy
     was out and just adds a check for "localhost.localdomain".

  2. The explicit mount of $STATE_MOUNT/files is no longer necessary.
     Puppet can easily manage that for us.

  3. We need to copy the puppet CA's certificate from the r/o image into
     the client's persistent store before creating bind mounts.


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