- epm play: rewrite, add applications list support, use app=version form
- add epm pack
- epm play: add initial portproton support
- epm pack: add 1c83-client support
- rewrite all browser-codecs install via epm pack
- epm play opera: rewrite, fix other systems install
- epm play: move wine to play list
- epm repack: add r7-office (with support for 7.3)