maint: Move substitute public keys to etc/substitutes.

2018-11-05T23:04:11+00:00

* berlin.guixsd.org.pub, hydra.gnu.org.pub: Move to...
* etc/substitutes: ... here.  New directory.
* Makefile.am (dist_pkgdata_DATA): Adjust accordingly.

Add hydra.gnu.org's narinfo signing public key.

2014-03-30T21:36:00+00:00

* hydra.gnu.org.pub: New file.
* Makefile.am (pkgdata_DATA): New variable.

guix/hydra.gnu.org.pub, branch master

maint: Move substitute public keys to etc/substitutes.

Add hydra.gnu.org's narinfo signing public key.