* Document the LOCAL_SCRIPT option.
* Document the NOPORTREADMES option.
* Be more specific in a comment.
* Be more specific about the ftp.1 and cdrom.1 targets.
* Clarify the usage of the CVSROOT variable.
* Clarify the usage of the NODOC variable.
Suggested by: matusita
* Remove trailing whitespace at EOL.
* Various grammar cleanups.
* Note that MAKE_ISOS is disabled by default.
* Use more descriptive mdoc markup.
* Use proper references for the online FDP documents.
Submitted by: dd
Specifically, this documents the available targets and relevant
environment variables for "make release". LOCAL_PATCHES,
RELEASEDISTFILES, RELEASENOUPDATE, etc.. are covered.
A future commit should add more information about drivers.conf,
boot_crunch.conf, and other less well-known aspects of the release
build.
Reviewed and history section added by: phk
