MFi386: 187144
MFi386: 187144

  Documentation-only change:

  - add a reference to the config(5) manpage;
  - hopefully clarify the format of the 'env FILENAME' directive.

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