This adds SHA256Sum fields to package indexes. This is for compatibility
with some updater versions that were expecting this string and not
SHA256sum.

This drops activation for atsha services that do not exist any more
(they were replaced by preinit and uci-defaults).

Automatically enable zram.

libubox introduced new function that is now missing for ucert.

Downgrading ucert is not ideal because it contains security fix.

The real problem might be in procd and update of libubox just exposes
that. There is newer version of procd.

This changes were during Christmas holidays commited to OpenWrt master
branch and before the OpenWrt 19.07 release, they were included there as
well.

It was reverted in master, when we noticed that
(0711c2c8), it should be fixed that why
it was reverted back, however, there are still some issues which needs
to be solved.

Fixes: turris/turris-build#103
(temporarily)

This reverts commit 922a792b.

This reverts commit 7078c3bd.

This commit improves code for service enablement and restart in
base-files package. This is same code as in
628b25a6

This package provides init service that should be automatically
activated and package it self should be installed on Turris MOX only.

This package provides init service that should be automatically
activated and package it self should be installed on Turris MOX only.

btrfs-progs now use preinit instead of this init script so we no longer
have to activate it.

There were two patches in patches/openwrt/to-upstream directory that
were fixes of hack patch. Those of course should not be send to upstream
and should be part of that specific patch. This commit merges those
patches to that patch.

There were two patches in patches/openwrt/to-upstream directory that
were fixes of hack patch. Those of course should not be send to upstream
and should be part of that specific patch. This commit merges those
patches to that patch.

In Turris OS 3.x opkg was the package containing
/etc/opkg/distfeeds.conf. This file with TOS 4.0+ was moved by upstream
to base-files. This means hat we also have to move postinst for that
file update to base-files from opkg package. This should fix OPKG feeds
being reseted by update.

In Turris OS 3.x opkg was the package containing
/etc/opkg/distfeeds.conf. This file with TOS 4.0+ was moved by upstream
to base-files. This means hat we also have to move postinst for that
file update to base-files from opkg package. This should fix OPKG feeds
being reseted by update.