gnu: ddrescue: Update to 1.19.

* gnu/packages/disk.scm (ddrescue): Update to 1.19.
gnu: vera: Update to 1.22.

* gnu/packages/dictionaries.scm (vera): Update to 1.22.
doc: Fix typos.

* doc/guix.texi (Base Services): Fix 'lsh-service' name.
  (Networking Services): Fix (gnu services networking) module name.
gnu: xfig: Add 'wrap-xfig phase.

* gnu/packages/xfig.scm (xfig): Set XAPPLRESDIR environment variable to help
  xfig find the app-defaults resource files.
gnu: Add 'font-liberation'.

* gnu/packages/fonts.scm (font-liberation): New variable.
doc: Add xrefs to the lsh manual.

Suggested by Adam Pribyl <pribyl@lowlevel.cz>.

* gnu/services/ssh.scm (lsh-service): Update docstring with xrefs to
  the lsh manual.  Fix typos.
* doc/guix.texi (Networking Services): Synchronize.
gnu: Add getmail.

* gnu/packages/mail.scm (getmail): New variable.

Signed-off-by: Ludovic Courtès <ludo@gnu.org>
doc: Add detailed node listing.

* doc/guix.texi (Top): Add @detailmenu.
gnu: Add libetpan.

* gnu/packages/mail.scm (libetpan): New variable.

Signed-off-by: Ludovic Courtès <ludo@gnu.org>
gnu: Add claws-mail.

* gnu/packages/mail.scm (claws-mail): New variable.

Signed-off-by: Ludovic Courtès <ludo@gnu.org>
gnu: Add libTorrent.

* gnu/packages/bittorrent.scm (libtorrent): New variable.

Signed-off-by: Ludovic Courtès <ludo@gnu.org>
gnu: Add rTorrent.

* gnu/packages/bittorrent.scm (rtorrent): New variable.

Signed-off-by: Ludovic Courtès <ludo@gnu.org>
gnu: Add numpy-bootstrap.

* gnu/packages/python.scm (python-numpy-bootstrap, python2-numpy-bootstrap):
  New file-local variables.
gnu: gcl: Update to 2.6.12.

* gnu/packages/lisp.scm (gcl): Update to 2.6.12.
import: gnu: Write the hash in nix-base32 format.

* guix/import/gnu.scm (gnu-package->sexp): Use
  'bytevector->nix-base32-string', not 'bytevector->base32-string'.
gnu: Add mp3info.

* gnu/packages/mp3.scm (mp3info): New variable.
licenses: Add MPL 1.1.

* guix/licenses.scm (mpl1.1): New variable.
gnu: Add TagLib.

* gnu/packages/mp3.scm (taglib): New variable.
install: Add wpa-supplicant to the image.

Reported by Amirouche Boubekki <amirouche.boubekki@gmail.com>.

* gnu/system/install.scm (installation-os)[packages]: Add
  WPA-SUPPLICANT.
build: Bump version number.

* configure.ac: Bump to 0.9.