* doc/announce/ANNOUNCE-0.20: Update. * guix/git/mes.scm (mes): Update.
* BLURB: New file. * AUTHORS: Update. * HACKING: Update. * INSTALL: Update. * NEWS: Update. * README: Update. * doc/images/gcc-mesboot-graph.dot: Update. * doc/mes.texi: Update. * simple.sh: Update. * doc/announce/ANNOUNCE-0.20: New file.