- drop alternative name upm, provide epm
- epm-restore: some improvements
- improve teamviewer repack

- epm-restore: add support for various names of requirements.txt file
- epm play: add anydesk, assistant, onlyoffice support
- various small improvements

- epm-install: return 0 if all packages are filtered out
- epm-addrepo: use sudocmd for apt-repo
- epm-repofix: disable root checking

- epm-restore: add requirements_dev.txt, setup.py, require.json (npm)
- epm-release_upgrade: drop signs if there are unknown vendor ID during update from repo

- repack skypeforlinux: drop unneeded /opt/skypeforlinux dir
- add play for discord
- eget: add hack for skip mask if there ?...= (some args)
- epm-epm_install: don't use epm command
- add prescription for i586-remove
- epm: print command when run with --verbose or EPM_VERBOSE is set
- epm-remove: add --simulate support for deb

- add repack for teams (move to /opt, fix reqs)
- play: add viber support
- repack: move skype to /opt, fix reqs
- improve all prescriptions for play
- check_vendor: check vendor only on ALT