Merge branch 'master' into core-updates

Makefile.am

THANKS

build-aux/hydra/gnu-system.scm

build-aux/make-binary-tarball.scm

configure.ac

doc/guix.texi

gnu-system.am

gnu/build/install.scm

gnu/packages/bioinformatics.scm

gnu/packages/ebook.scm

gnu/packages/emacs.scm

gnu/packages/gstreamer.scm

gnu/packages/hurd.scm

gnu/packages/java.scm

gnu/packages/linux-libre-i686.conf

gnu/packages/linux-libre-x86_64.conf

gnu/packages/linux.scm

gnu/packages/mail.scm

gnu/packages/patches/emacs-exec-path.patch

gnu/packages/patches/linux-libre-vblank-fix.patch