Merge branch 'master' into staging

doc/guix.texi

etc/guix-install.sh

etc/news.scm

gnu/bootloader/grub.scm

gnu/local.mk

gnu/packages/audio.scm

gnu/packages/bioconductor.scm

gnu/packages/ci.scm

gnu/packages/crates-io.scm

gnu/packages/emacs-xyz.scm

gnu/packages/embedded.scm

gnu/packages/emulators.scm

gnu/packages/enchant.scm

gnu/packages/engineering.scm

gnu/packages/finance.scm

gnu/packages/game-development.scm

gnu/packages/games.scm

gnu/packages/guile-xyz.scm

gnu/packages/haskell-xyz.scm

gnu/packages/javascript.scm