Copy head (r256279) to stable/10 as part of the 10.0-RELEASE cycle.

Approved by: re (implicit)
Sponsored by: The FreeBSD Foundation

Move most of the remaining USD/PSD/SMM papers into share/doc

Remove the dates from these files. They serve no purpose and result in
these files spuriously changing each time they are built.

Also, add $FreeBSD$ tags, because cvs is unhappy otherwise.

This commit was generated by cvs2svn to compensate for changes in r1590,
which included commits to RCS files with non-trunk default branches.

BSD 4.4 Lite Usr.bin Sources