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

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

This commit was generated by cvs2svn to compensate for changes in r55714,
which included commits to RCS files with non-trunk default branches.

Initial import of OpenSSL 0.9.4, sans IDEA and RSA code for patent
infringement reasons.