Copy stable/10@r272459 to releng/10.1 as part of
the 10.1-RELEASE process.

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

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

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

Use comma instead of a single quote as the decimal point separator for
eu_ES.* locales.

Discussed with: "J. Vicente Carrasco -Bixen- " <carvay@tikismikis.org>,
the eu_ES.* locales submitter, tjr

Add Basque (Spain) locales: eu_ES.ISO8859-1, eu_ES.ISO8859-15, eu_ES.UTF-8.

(This differs somewhat from the version originally submitted - any mistakes
are my own.)

PR: 68524
Submitted by: J. Vicente Carrasco -Bixen-