- epm play: add support for opera beta and opera developer

- epm-release_upgrade: remove conflicts branding file before upgrade
- epm-repack: add support for EPM_REPACK_SCRIPTS_DIR
- epm play anydesk: no strict version
- epm play: add opera support

- distr_info: add --codename support
- epm: repo addkey support (add gpg key for a repo)
- epm play: add rustdesk support
- epm play: add Okular GOST support

- epm play ktalk: add pre requires (ALT bug 42558)
- common.sh: create shell wrapper with shebang (KDE runs Exec via execvp) (ALT bug 42641)
- epm repack: fix shebang for obsidian and chromium-gost-stable
- epm-query_file: follow a link ever if the link is not from a package

common.sh: create shell wrapper with shebang (KDE runs Exec from desktop file via execvp) (ALT bug 42641)

- epm-repack: fix package name-version before convert
- epm play Telegram: restore Conflicts: telegram-desktop
- epm-repack: on deb convert to an intermediate rpm package if we have repack.d rules
- epm play.d/common.sh: use mirror.eterfund for eepm.ru too
- distr_info: add error about unknown option
- epm play: allow direct run the scripts
- epm play sputnik-browser: cleanup, add verbose checking URI accessible
- epm play assistant: add URI checking and fix download on Ubuntu
- epm repack: use BIGTMPDIR conception (ALT bug 43491)