Replace the out-of-date list of mirror sites with a reference to the list in the FreeBSD Handbook.
Replace the out-of-date list of mirror sites with a reference to the
list in the FreeBSD Handbook.

jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase