gnu: gsl: Enable tests.

* gnu/packages/maths.scm (gsl)[arguments]: Enable tests for i686-linux.

gnu: gsl: Update to 2.0.

* gnu/packages/maths.scm (gsl): Update to 2.0.
  [source]: Remove patches.
* gnu/packages/patches/gsl-poly-test-fix-pt1.patch,
  gnu/packages/patches/gsl-poly-test-fix-pt2.patch: Remove files.
* gnu-system.am (dist_patch_DATA): Remove patches.

gnu: openblas: Make substitutable on MIPS.

* gnu/packages/maths.scm (openblas)[arguments]: Make package
  substitutable when the system is MIPS.

gnu: openblas: Set TARGET to SICORTEX on MIPS.

* gnu/packages/maths.scm (openblas)[arguments]: Add "TARGET=SICORTEX" to
  make-flags when building for MIPS.

Merge branch 'master' into dbus-update

gnu: openblas: Update to 0.2.15.

* gnu/packages/maths.scm (openblas): Update to 0.2.15.

Merge branch 'master' into dbus-update

gnu: units: Update to 2.12.

* gnu/packages/maths.scm (units): Update to 2.12.

Merge branch 'master' into core-updates

gnu: glpk: Update to 4.56.

* gnu/packages/maths.scm (glpk): Update to 4.56.

gnu: openblas: Fix configure flags on armhf and take target system into account for cross building.

* gnu/packages/maths.scm (openblas)[arguments]: Make package substitutable
  and enable runtime cpu detection only on x86 systems. Take the target
  system into account when cross compiling.

Merge branch 'core-updates'

Merge branch 'master' into core-updates

gnu: Add FLANN.

* gnu/packages/maths.scm (flann): New variable.

gnu: Use 'install-file' instead of 'mkdir-p' and 'copy-file' in obvious cases.

* gnu/packages/bioinformatics.scm (bedtools, bowtie, bwa, hisat, samtools,
  plink, star): Use 'install-file' instead of 'mkdir-p' + 'copy-file'.
* gnu/packages/check.scm (catch-framework): Likewise.
* gnu/packages/code.scm (global): Likewise.
* gnu/packages/emacs.scm (magit-svn, haskell-mode, emacs-pdf-tools):
  Likewise.
* gnu/packages/engineering.scm (fastcap, fasthenry): Likewise.
* gnu/packages/gnuzilla.scm (nss): Likewise.
* gnu/packages/guile.scm (guile-minikanren): Likewise.
* gnu/packages/java.scm (swt): Likewise.
* gnu/packages/make-bootstrap.scm (%static-binaries): Likewise.
* gnu/packages/maths.scm (lpsolve): Likewise.
* gnu/packages/mp3.scm (mpc123): Likewise.
* gnu/packages/ninja.scm (ninja): Likewise.
* gnu/packages/python.scm (python-numpy, python-pyparsing): Likewise.
* gnu/packages/screen.scm (dtach): Likewise.
* gnu/packages/synergy.scm (synergy): Likewise.
* gnu/packages/textutils.scm (utf8proc): Likewise.
* gnu/packages/version-control.scm (git-test-sequence): Likewise.
* gnu/packages/wicd.scm (wicd): Likewise.

gnu: pspp: Update to 0.8.5.

* gnu/packages/maths.scm (pspp)[source]: Update to 0.8.5.
  [native-inputs]: Add TEXINFO.

Merge branch 'master' into core-updates

gnu packages: Clean up synopses and descriptions.

* gnu/packages/admin.scm, gnu/packages/algebra.scm, gnu/packages/audio.scm,
  gnu/packages/backup.scm, gnu/packages/base.scm, gnu/packages/bittorrent.scm,
  gnu/packages/code.scm, gnu/packages/compression.scm,
  gnu/packages/databases.scm, gnu/packages/enchant.scm,
  gnu/packages/firmware.scm, gnu/packages/fonts.scm,
  gnu/packages/freedesktop.scm, gnu/packages/games.scm, gnu/packages/gd.scm,
  gnu/packages/gl.scm, gnu/packages/gnome.scm, gnu/packages/gsasl.scm,
  gnu/packages/gstreamer.scm, gnu/packages/gtk.scm, gnu/packages/guile.scm,
  gnu/packages/haskell.scm, gnu/packages/language.scm,
  gnu/packages/lesstif.scm, gnu/packages/libreoffice.scm,
  gnu/packages/linux.scm, gnu/packages/llvm.scm, gnu/packages/maths.scm,
  gnu/packages/mcrypt.scm, gnu/packages/mit-krb5.scm, gnu/packages/mp3.scm,
  gnu/packages/ncdu.scm, gnu/packages/networking.scm, gnu/packages/ntp.scm,
  gnu/packages/ocaml.scm, gnu/packages/openbox.scm, gnu/packages/pdf.scm,
  gnu/packages/perl.scm, gnu/packages/pretty-print.scm,
  gnu/packages/pulseaudio.scm, gnu/packages/python.scm,
  gnu/packages/rdesktop.scm, gnu/packages/rdf.scm, gnu/packages/ruby.scm,
  gnu/packages/slang.scm, gnu/packages/slim.scm, gnu/packages/telephony.scm,
  gnu/packages/tls.scm, gnu/packages/tmux.scm, gnu/packages/tre.scm,
  gnu/packages/unrtf.scm, gnu/packages/version-control.scm,
  gnu/packages/vpn.scm, gnu/packages/web.scm, gnu/packages/wget.scm,
  gnu/packages/xdisorg.scm, gnu/packages/xfce.scm, gnu/packages/xiph.scm:
  Fix typos.  Trim long lines.  Add missing periods in the end of sentences.
  Use double spaces between sentences.  Remove trailing whitespaces.

gnu packages: Avoid description lines with leading "(".

* gnu/packages/curl.scm (curl): Reformat description to avoid a line
  beginning with "(" because such lines break font-lock highlighting
  in Emacs.
* gnu/packages/flashing-tools.scm (dfu-programmer): Likewise.
* gnu/packages/games.scm (gnugo): Likewise.
* gnu/packages/gnome.scm (json-glib): Likewise.
* gnu/packages/image.scm (jbig2dec): Likewise.
* gnu/packages/maths.scm (units): Likewise.
* gnu/packages/pdf.scm (mupdf): Likewise.
* gnu/packages/web.scm (perl-encode-locale): Likewise.
* gnu/packages/wordnet.scm (wordnet): Likewise.
* gnu/packages/xml.scm (libxml2):Likewise.

gnu: Add deal.II.

* gnu/packages/maths.scm (dealii, dealii-openmpi): New variables.
* gnu/packages/patches/dealii-p4est-interface.patch: New patch.
* gnu-system.am (dist_patch_DATA): Add it.