Merge branch 'master' into dbus-update

Makefile.am

doc/guix.texi

gnu-system.am

gnu/packages.scm

gnu/packages/bioinformatics.scm

gnu/packages/cdrom.scm

gnu/packages/compression.scm

gnu/packages/conkeror.scm

gnu/packages/freeipmi.scm

gnu/packages/games.scm

gnu/packages/gnu-pw-mgr.scm

gnu/packages/haskell.scm

gnu/packages/less.scm

gnu/packages/linux.scm

gnu/packages/man.scm

gnu/packages/music.scm

gnu/packages/ntp.scm

gnu/packages/patches/evilwm-lost-focus-bug.patch

gnu/packages/python.scm

gnu/packages/statistics.scm