tools/blobtool: Add selectable compression algorithms in tar mode
tools/blobtool: Add selectable compression algorithms in tar mode

- Add support for compressing/decompressing tarballs with LZF, LZMA, or
the gzip compression built into libarchive

- By default, autodetect compression algorithm on untar

cmusatyalab/openisr,cmusatyalab/openisr,cmusatyalab/openisr,cmusatyalab/openisr,cmusatyalab/openisr