system: locale: Fix typo in docstring.

* gnu/system/locale.scm (localedef-command): Fix typo.

gnu: Rename fonts according to our new naming scheme.

* gnu/packages/fonts.scm (ttf-dejavu): Rename to ...
* gnu/packages/fonts.scm (font-dejavu): ... this.
* gnu/packages/fonts.scm (ttf-bitstream-vera): Rename to ...
* gnu/packages/fonts.scm (font-bitstream-vera): ... this.
* gnu/packages/fonts.scm (freefont-ttf): Rename to ...
* gnu/packages/fonts.scm (font-gnu-freefont-ttf): ... this.
* gnu/packages/fonts.scm (terminus-font): Rename to ...
* gnu/packages/fonts.scm (font-terminus): ... this.

system: Add a 'needed-for-boot?' field to 'mapped-device'.

* gnu/system/file-systems.scm (<mapped-device>)[needed-for-boot?]: New
  field.
* gnu/system.scm (operating-system-user-mapped-devices,
  operating-system-boot-mapped-devices): Use it instead of trying to
  guess.  Guessing doesn't work when one refers to a partition using its
  label, for instance.
* doc/guix.texi (Mapped Devices): Document 'needed-for-boot?'.

system: Change "en_US.UTF-8" to "en_US.utf8".

* build-aux/hydra/demo-os.scm (locale): Change to "en_US.utf8".
* gnu/system/install.scm (installation-os)[locale]: Ditto.

linux-modules: Correctly propagate error code from 'init_module'.

* gnu/packages/patches/guile-linux-syscalls.patch (scm_load_linux_module):
  Leave 'errno' unchanged when ERR != 0.
* gnu/build/linux-modules.scm (load-linux-module*): Check for the errno
  value of ARGS to determine whether the module was already loaded.

linux-initrd: Remove the ".ko" suffix from module names in 'base-initrd'.

* gnu/system/linux-initrd.scm (base-initrd): Remove the .ko suffix from
  module names.

linux-initrd: Remove now redundant module names.

* gnu/system/linux-initrd.scm (base-initrd)[virtio-modules]: Remove
  "virtio.ko" and "virtio_ring.ko".
  [virtio-9p-modules]: Remove "fscache.ko" and "9pnet.ko".
  [linux-modules]: Remove "libahci.ko".

linux-boot: Load modules and their dependencies, à la 'modprobe'.

* gnu/build/linux-boot.scm: Use (gnu build linux-modules).
  (load-linux-module*): Remove.
  (boot-system): Add #:linux-module-directory parameter.
  [lookup-module]: New procedure.
  Call 'current-module-debugging-port'.  Pass #:lookup-module to
  'load-linux-module*'.  Map LOOKUP-MODULE on LINUX-MODULES.
* gnu/system/linux-initrd.scm (base-initrd): Adjust 'boot-system' call
  accordingly.  Adjust #:modules argument as well.
* gnu/system.scm (operating-system-activation-script)[%modules]: Likewise.
* gnu/system/vm.scm (expression->derivation-in-linux-vm): Likewise.

linux-initrd: Copy modules and their dependencies to the initrd.

* gnu/system/linux-initrd.scm (flat-linux-module-directory)[build-exp]:
  Add 'lookup' procedure.  Use 'recursive-module-dependencies' to
  compute the list of modules to copy.
  Adjust #:modules parameter.

system: Add (gnu build linux-modules).

* gnu/build/linux-modules.scm: New file.
* gnu-system.am (GNU_SYSTEM_MODULES): Add it.

Add (guix elf).

* guix/elf.scm: New file.  Taken from Guile 'master', commit 3f826e3.
* Makefile.am (MODULES): Add it.
* THANKS: Thank Andy, who wrote this module.

doc: Update stale references in "Bootstrapping".

* doc/guix.texi (Bootstrapping): Final definitions are in (gnu packages
  commencement).
  Change gnu-build-system xref to "Build Systems".

substitute-binary: Change "unresponsive" to "slow".

* guix/scripts/substitute-binary.scm (fetch): Change "unresponsive" to
  "somewhat slow".  I'm being told that the former is often
  misunderstood as "broken".

gnu: gcl: Drop 'strip phase.

* gnu/packages/lisp.scm (gcl): Drop 'strip phase to make maxima build.

gnu: Add numpydoc.

* gnu/packages/python.scm (python-numpydoc, python2-numpydoc): New variables.

system: Build system-wide locale definitions.

* gnu/system/locale.scm: New file.
* gnu-system.am (GNU_SYSTEM_MODULES): Add it.
* gnu/system.scm (<operating-system>)[locale]: Change the default to
  "en_US.utf8".
  (operating-system-locale-directory): New procecure.
  (operating-system-derivation): Use it.
* doc/guix.texi (Using the Configuration System): Change example locale
  to "fr_FR.utf8".
  (operating-system Reference): Add xref to "Locales".  Document
  'locale-definitions'.
  (Locales): New section.
* po/guix/POTFILES.in: Add gnu/system.scm.

gnu: ccrtp: Update to 2.1.1.

* gnu/packages/telephony.scm (ccrtp): Update to 2.1.1.

emacs: Add missing directory to the guile load path.

Reported by Adam Pribyl and David Thompson.

* emacs/guix-helper.scm.in (set-paths!): Add guile module dir to '%load-path'.

Update gnupg mirrors.

* guix/download.scm (%mirrors): Update mirror list for gnupg.

gnu: ucommon: Update to 6.2.2.

* gnu/packages/telephony.scm (ucommon): Update to 6.2.2.