* gnu/packages/patches/glibc-bootstrap-system.patch: Revert a change from glibc-2.25 which would require the bootstrap-glibc to require the linux-kernel-headers.
* distro: Rename to... * gnu: ... this. Update module names accordingly. * Makefile.am: Adjust accordingly. * po/POTFILES.in: Likewise. * distro.scm: Search for files under /gnu/packages instead of /distro/packages. * gnu/packages/base.scm (ld-wrapper-boot3): Likewise.