gnu: icecat: Add several security fixes.

* gnu/packages/patches/icecat-CVE-2015-4513-pt01.patch,
  gnu/packages/patches/icecat-CVE-2015-4513-pt02.patch,
  gnu/packages/patches/icecat-CVE-2015-4513-pt03.patch,
  gnu/packages/patches/icecat-CVE-2015-4513-pt04.patch,
  gnu/packages/patches/icecat-CVE-2015-4513-pt05.patch,
  gnu/packages/patches/icecat-CVE-2015-4513-pt06.patch,
  gnu/packages/patches/icecat-CVE-2015-4513-pt07.patch,
  gnu/packages/patches/icecat-CVE-2015-4513-pt08.patch,
  gnu/packages/patches/icecat-CVE-2015-4513-pt09.patch,
  gnu/packages/patches/icecat-CVE-2015-4513-pt10.patch,
  gnu/packages/patches/icecat-CVE-2015-4513-pt11.patch,
  gnu/packages/patches/icecat-CVE-2015-7188.patch,
  gnu/packages/patches/icecat-CVE-2015-7189.patch,
  gnu/packages/patches/icecat-CVE-2015-7193.patch,
  gnu/packages/patches/icecat-CVE-2015-7194.patch,
  gnu/packages/patches/icecat-CVE-2015-7196.patch,
  gnu/packages/patches/icecat-CVE-2015-7197.patch,
  gnu/packages/patches/icecat-CVE-2015-7198.patch,
  gnu/packages/patches/icecat-CVE-2015-7199.patch: New files.
* gnu-system.am (dist_patch_DATA): Add them.
* gnu/packages/gnuzilla.scm (icecat)[source]: Add patches.

gnu: nss: Update to 3.20.1.

* gnu/packages/gnuzilla.scm (nss): Update to 3.20.1.
  [source]: Switch to https URI.

gnu: nspr: Update to 4.10.10.

* gnu/packages/gnuzilla.scm (nspr): Update to 4.10.10.

gnu: Add GPM.

* gnu/packages/linux.scm (gpm): New variable.

gnu: Add guile-gnunet.

* gnu/packages/gnunet.scm (guile-gnunet): New variable.

gnu: bless: Correct indentation and home-page.

* gnu/packages/bioinformatics.scm (bless): Fix indentation.
  [home-page]: Replace broken URL.

gnu: msmtp: Update to 1.6.2.

* gnu/packages/mail.scm (msmtp): Update to 1.6.2.
  [arguments]: Use '--with-tls' configure flag instead of
  '--with-ssl' (deprecated).

gnu: manaplus: Update to 1.5.10.24.

* gnu/packages/games.scm (manaplus): Update to 1.5.10.24.

gnu: guile: Add guile-irregex.

* gnu/packages/guile.scm (guile-irregex): New variable.

gnu: Add BLESS.

* gnu/packages/bioinformatics.scm (bless): New variable.

Co-authored-by: Diane Trout <diane@ghic.org>

gnu: zynaddsubfx: Remove SSE flags from generic target.

* gnu/packages/music.scm (zynaddsubfx)[arguments]: Add phase to move SSE
  compiler flags from generic to specific targets.

gnu: wayland: Update to 1.9.0.

* gnu/packages/freedesktop.scm (wayland): Update to 1.9.0.

Merge branch 'version-0.9.0'

gnu: irssi: Build with SSL support.

* gnu/packages/irssi.scm (irssi)[inputs]: Add openssl.

gnu: irssi: Update to 0.8.17.

* gnu/packages/irssi.scm (irssi): Update to 0.8.17.

gnu: guix: Update development snapshot.

* gnu/packages/package-management.scm (guix-devel): Update to commit 43c082b.
  (guix): Set to GUIX-DEVEL.

gnu: guix: Update to 0.9.0.

* gnu/packages/package-management.scm (guix-0.8.3): Rename to...
  (guix-0.9.0): ... this.  Adjust users.
  (guix): Set to GUIX-0.9.0.

doc: Back up on the claim of encrypted root partitions.

Reported by 宋文武 <iyzsong@openmailbox.org>
at <https://lists.gnu.org/archive/html/guix-devel/2015-11/msg00096.html>.

* doc/guix.texi (System Installation): Comment out encrypted root
  partition commands.
* gnu/system/examples/desktop.tmpl (mapped-devices): Remove.
  (file-systems): Refer to the root by label.
* NEWS: Adjust.

gnu: libassuan: Update to 2.4.0.

* gnu/packages/gnupg.scm (libassuan): Update to 2.4.0.

gnu: csound: Link against libmvec on x86_64.

* gnu/packages/audio.scm (csound)[arguments]: New field.