- separate 'installed' from 'query' command
- epm-release_upgrade: mute screen checking
- epm-upgrade: restore repo list after error
- epm reposave: fix run under user
- epm dedup: fix rpm -e remove for common removing
- add --force to epm-remove (pass packages to apt in any case) and use it in autoorphans

- require /usr/bin/rpmbuild, not rpm-build package
- epm-release_upgrade: say install screen only it is not installed yet
- epm: fix parse options after main command
- epm: add separated release_downgrade command
- epm play sferum: add to the list
- epm-removerepo: check for a full string
- epm release-upgrade: install altlinux-release-* if needed
- epm upgrade: fix removing repo after upgrade
- epm: drop direct arg for info command

epm release-upgrade: install altlinux-release-* if /etc/altlinux-release differents from target distro

- big arg parsing rewrite
- epm-release_upgrade: add checking for local console, for screen using, for logind
- epm release-upgrade: try replace altlinux-release-sisyphus if target distro is not Sisyphus
- epm-reposave: fix bug with repo settings
- epm-query: fix query file output (fix --short support)
- epm-removerepo: restore remove all