- epm autoremove: skip manually installed packages on ALT

- repack: run independently to user's .rpmmacros

- autoorphans: assure for package-cleanup for yum/dnf
- apt-dpkg: implement addrepo/removerepo
- addrepo: add ALT branch support
- distr_info: support ALT starter kits
- epm-packages: add arch on deb

- checkpkg: detect rpm --nosignature/--nogpg
- epm-query: fix check only names without arch

- distr_info: cleanup code, fix quotes
- checkpkg: check only md5 (skip gpg)
- implement repack for rpm to deb and deb to rpm conversion

- implement assure_distr and use it
- add repack command and move all repack code to a separate module

- distr_info: check if proc exists before use
- repack: add duplicati support

- implement __epm_search_internal
- full search output for Slackware only with --verbose
- fix simulate for Slackware