If an old port is resurrected to work with current version code, its files
can be relocated to the appropriate sys or win folder as required.
In the meantime, the burden of upkeep can be avoided for the stuff in the
outdated folder for now.
Re-run nhgitset.pl to install.
"perldoc DEVEL/hooksdir/nhsub" for details. General docs still to come.
Quick notes:
- "git nhsub" lets you apply substitutions to a file without involving any
version control.
- When doing nhadd/nhcommit, the working directory WILL reflect the results
of the substitutions.
Let's see what this breaks.
