Anticipate when we'll be ready to announce 10.1-RELEASE.

Approved by:	re (implicit)
Sponsored by:	The FreeBSD Foundation
MFV r273747:

Remove an extra copy of hv_kvp_daemon(8) [1].

While I'm there also correct typos in OptionalObsoleteFiles and add
information of the command line options for hv_kvp_daemon(8).

Reported by:	jmg [1]
Reviewed by:	jmg