* regularly release memory * don't aggressively GC while legacy streaming * update changelog
* fix saving some subtitles to database * fix ffprobe regression
* move subtitles provider into scanner * move more stuff into scanner * move nfo into scanner * add scan subcommand * fix a bunch of nfo build warnings * more subcommands * fix warnings * cleanup logging * remove unused code * cleanup old ffmpeg stuff * rename complex filter * refactor wrapped segmenter