Pull SSH fingerprints from EOS machines.
Switch to deploying with fabric.
Include fingerprints in SSH docs.
Fix man page section and man and info file names.
Add deployment scripts for man and info.
Improve fingerprint fetching.
Cleanup task structure; untrack fingerprints file.
Use short hostname; fixed-width font for fingerprint.
Fixup docstrings for `fab -l'.
Add README for Fabric.