- 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