- 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)

- repack.d/code.sh: use upstream script to run code
- epm-play: fix save installed app
- teamviewer.sh: add comment about serv teamviewerd on
- add env EPM_OPTIONS support

Author: Vitaly Lipatov <lav@etersoft.ru>
Date:   Tue Feb 16 00:31:41 2021 +0300

    distro_info: fix get_arch for arm64 and armv7

Author: Vitaly Lipatov <lav@etersoft.ru>
Date:   Tue Feb 16 00:30:53 2021 +0300

    distro_info: use getconf LONG_BIT for get_bit_size

- epm restore: add requirements/ dir support
- add glusterfs9 install
- prescription: add Visual Studio Code install
- prescription: fix error code for assisant and discord

- yum: add version support, disable sudo using
- prescripion.d/i586-wine*: fix removing (ALT bug 39320)
- set_sudo: if sudo required a password, end with fatal error
- epm-release_upgrade: add switch from prefdm to display-manager after upgrade (see altbug #26405)
- add brave-browser install: prescription.d/brave.sh