- distr_info: add -z for print current CPU MHz
- epm-remove: fix remove skipping on failed deps

- glusterfs9: skip devel packages during upgrade
- repack.d/PacketTracer.sh: add repack for Cisco PacketTracer
- distr_info: fix package type detection for Kali Linux

- prescription.d/code.sh: fix for deb based system
- add repack.d/sbb.sh (Sberbank client)
- don't require rpm directly

- epm-sh-altlinux-contents-index: use rsync -z only for uncompressed files
- epm-restore: add nupkg restore support
- distro_info: fix --distro-arch for rpm based systems

- rewrite contents_index retrieving
- epm-sh-altlinux-contents-index: improve content_index list informativity

- epm: use rsync to get contents_index for ALT (with rsyncable gzip mirror)

- epm-play: fix duplicates in the installed list
- epm remove: don't try removing after rpm -e said there is not such package

- epm-repack: be verbose only with --verbose
- add repack.d for trueconf-server (unsupported!)
- fix some bashisms

- epm-play: allow mask unvaluable prescription, hide glibc-restore
- epm-play: disable check for already installed (it is allowed upgrade)
- repack.d/code.sh: drop firefox installing (closes: #39693)