gnu: bash-completion: Search for completion modules in profiles.

* gnu/packages/patches/bash-completion-directories.patch: New file.
* gnu-system.am (dist_patch_DATA): Add it.
* gnu/packages/bash.scm (bash-completion)[source]: Use it.

gnu: Move cflow, Complexity, and GLOBAL to (gnu packages code).

* gnu/packages/code.scm (cflow, complexity, global): New variables.
* gnu/packages/cflow.scm, gnu/packages/complexity.scm,
  gnu/packages/global.scm: Remove.
* gnu-system.am (GNU_SYSTEM_MODULES): Adjust accordingly.

gnu: Add SLOCCount.

* gnu/packages/code.scm: New file.
* gnu-system.am (GNU_SYSTEM_MODULES): Add it.

gnu: icecat: Update to 31.5.0.

* gnu/packages/patches/icecat-CVE-2015-0822.patch,
  gnu/packages/patches/icecat-CVE-2015-0827-pt-1.patch,
  gnu/packages/patches/icecat-CVE-2015-0827-pt-2.patch,
  gnu/packages/patches/icecat-CVE-2015-0827-pt-3.patch,
  gnu/packages/patches/icecat-CVE-2015-0831-pt-1.patch,
  gnu/packages/patches/icecat-CVE-2015-0831-pt-2.patch,
  gnu/packages/patches/icecat-CVE-2015-0836-pt-01.patch,
  gnu/packages/patches/icecat-CVE-2015-0836-pt-02.patch,
  gnu/packages/patches/icecat-CVE-2015-0836-pt-03.patch,
  gnu/packages/patches/icecat-CVE-2015-0836-pt-04.patch,
  gnu/packages/patches/icecat-CVE-2015-0836-pt-05.patch,
  gnu/packages/patches/icecat-CVE-2015-0836-pt-06.patch,
  gnu/packages/patches/icecat-CVE-2015-0836-pt-07.patch,
  gnu/packages/patches/icecat-CVE-2015-0836-pt-08.patch,
  gnu/packages/patches/icecat-CVE-2015-0836-pt-09.patch,
  gnu/packages/patches/icecat-CVE-2015-0836-pt-10.patch,
  gnu/packages/patches/icecat-CVE-2015-0836-pt-11.patch: Remove files.
* gnu-system.am (dist_patch_DATA): Remove them.
* gnu/packages/gnuzilla.scm (icecat): Update to 31.5.0.  Remove patches.
  Add 'nspr', 'nss', and 'cairo' to inputs.  Add configure flags to use
  those system libraries.

gnu: Add recode.

* gnu/packages/textutils.scm: New file.
* gnu-system.am (GNU_SYSTEM_MODULES): Add it.

gnu: Add libedit.scm to gnu-system.am.

* gnu-system.am (GNU_SYSTEM_MODULES): Add libedit.scm.

gnu: Add ghc.

* gnu/packages/haskell.scm: New file.
* gnu-system.am (GNU_SYSTEM_MODULES): Add it.

gnu: gcj: Move javac.in from a file in the distribution to an origin.

* gnu/packages/javac.in: Delete file.
* gnu-system.am (MISC_DISTRO_FILES): Delete.
* gnu/packages/gcc.scm (javac.in): New variable.
  (gcj-4.8): Use it as an input.

gnu: Add calibre.

* gnu/packages/ebook.scm (calibre): New variable.
* gnu/packages/patches/calibre-drop-unrar.patch: New file.
* gnu-system.am (dist_patch_DATA): Register patch.

gnu: gnunet: Update to 0.10.1.

* gnu/packages/gnunet.scm (gnunet): Update to 0.10.1.
  Adapt environment variable GNUNET_PREFIX to new use.
  Disable parallel tests.
  Disable tests until a failure is fixed.
* gnu/packages/patches/gnunet-fix-scheduler.patch,
  gnu/packages/patches/gnunet-fix-tests.patch: Delete patch files.
* gnu-system.am (dist_patch_DATA): Unregister patches.

gnu: Add libqtxdg.

* gnu/packages/lxqt.scm: New file.
* gnu-system.am (GNU_SYSTEM_MODULES): Register it.

Co-authored-by: Sou Bunnbu <iyzsong@gmail.com>

gnu: valgrind: Fix build against glibc 2.21

* gnu/packages/patches/valgrind-glibc-2.21.patch: New file.
* gnu-system.am (dist_patch_DATA): Add patch.
* gnu/packages/valgrind.scm (valgrind): Apply patch.

gnu: Add LibreCAD.

* gnu/packages/engineering.scm: New file.
* gnu-system.am (GNU_SYSTEM_MODULES): Add it.

gnu: grub: Add patch to fix new version of freetype

* gnu/packages/patches/grub-freetype.patch: New file.
* gnu-system.am (dist_patch_DATA): Add the patch.
* gnu/packages/grub.scm (grub): Apply new patch.

gnu: lftp: Don't save unknown SSH host fingerprints to known_hosts by default.

* gnu/packages/patches/lftp-dont-save-unknown-host-fingerprint.patch: New file.
* gnu-system.am (dist_patch_DATA): Add it.
* gnu/packages/ftp.scm (lftp): Add patch.

gnu: Add zathura.

* gnu/packages/pdf.scm (zathura): New variable.
* gnu/packages/patches/zathura-plugindir-environment-variable.patch: New file.
* gnu-system.am: Add it.

gnu: Add djvulibre.

* gnu/packages/djvu.scm (djvulibre): New variable.
* gnu-system.am: Add the file.

gnu: Move 'which' to (gnu packages base).

* gnu/packages/which.scm: Remove.
* gnu-system.am (GNU_SYSTEM_MODULES): Remove it.
* gnu/packages/base.scm (which): New variable.
* gnu/packages/aspell.scm, gnu/packages/audio.scm,
  gnu/packages/autogen.scm, gnu/packages/cdrom.scm,
  gnu/packages/compression.scm, gnu/packages/datamash.scm,
  gnu/packages/games.scm, gnu/packages/glib.scm,
  gnu/packages/gnu-pw-mgr.scm, gnu/packages/gnutls.scm,
  gnu/packages/gps.scm, gnu/packages/guile.scm,
  gnu/packages/java.scm, gnu/packages/libevent.scm,
  gnu/packages/linux.scm, gnu/packages/lisp.scm,
  gnu/packages/node.scm, gnu/packages/ntp.scm,
  gnu/packages/orpheus.scm, gnu/packages/pciutils.scm,
  gnu/packages/python.scm, gnu/packages/qt.scm,
  gnu/packages/rsync.scm, gnu/packages/sawfish.scm,
  gnu/packages/scheme.scm, gnu/packages/ssh.scm,
  gnu/packages/statistics.scm, gnu/packages/texlive.scm,
  gnu/packages/wdiff.scm: Adjust accordingly.

Merge branch 'core-updates'.

gnu: Add rdesktop.

* gnu/packages/rdesktop.scm: New file.
* gnu-system.am (GNU_SYSTEM_MODULES): Add it.