Gittrac #4115: Updated the main DAGMan chapter of the manual for the
node status file changes; added a link from the version history item
to the appropriate manual section.
Merge branch 'V8_1-gittrac_4115-branch' into V8_1_6-branch

Conflicts:
	doc/version-history/8-1.history.tex
Gittrac #4115: Fixed a minor typo in the new node file documentation.
minor fixes for workfetch on Windows. #4288
properly handle perl scripts as workfetch scripts,
fix deadlock in startd when fetch script does not consume stdin.
===VersionHistory:Pending===
Version history for #4320
version history for #4233
version history for #4282
Merge branch 'V8_1_6-branch'