Force root/root as names for uid0/gid0 instead of using the system
names. This helps make packed download tarballs more reproducible

Signed-off-by: Felix Fietkau <nbd@nbd.name>

Replace *MD5SUM with *HASH, replace MD5 hashes with SHA256

Signed-off-by: Felix Fietkau <nbd@nbd.name>

The "tar" utility is required to bootstrap XZ which is required to handle
.tar.xz archives, therfore revert to using the bz2 archive.

Signed-off-by: Jo-Philipp Wich <jo@mein.io>

This change updates tar from 1.28 to 1.29.
Among other changes following commit
http://git.savannah.gnu.org/cgit/tar.git/commit/lib/xattr-at.c?h=9c2b57232e3bc2e5ba85387560bcdd851849a128


substitutes previously used off-the-tree patch 100-fix_xattr_disable.patch

Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

SVN-Revision: 46876