Merge branch 'master' into core-updates

.gitignore

Makefile.am

build-aux/hydra/gnu-system.scm

build-aux/pre-inst-env.in

doc/guix.texi

etc/guix-daemon.conf.in

etc/guix-daemon.service.in

etc/guix-publish.conf.in

etc/guix-publish.service.in

gnu/build/file-systems.scm

gnu/local.mk

gnu/packages.scm

gnu/packages/admin.scm

gnu/packages/algebra.scm

gnu/packages/astronomy.scm

gnu/packages/audio.scm

gnu/packages/aux-files/emacs/guix-emacs.el

gnu/packages/aux-files/linux-libre/4.1-i686.conf

gnu/packages/aux-files/linux-libre/4.1-x86_64.conf

gnu/packages/aux-files/linux-libre/4.10-i686.conf