Replace quaint references to floppies with "USB stick".


git-svn-id: svn://svn.tartarus.org/sgt@10193 cda61777-01e9-0310-a592-d414129be87e
Note limit on number of rsync connections.


git-svn-id: svn://svn.tartarus.org/sgt@10194 cda61777-01e9-0310-a592-d414129be87e