gnu: python-mccabe: Fix license field.

* gnu/packages/python.scm (python-mccabe)[license]: 'expat' ->
  'license:expat'.

gnu: Add python-flake8.

* gnu/packages/python.scm (python-flake8, python2-flake8): New variables.

gnu: Add python-mccabe.

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

gnu: Add python-pyflakes.

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

gnu: Add python-pep8.

* gnu/packages/python.scm (python-pep8, python2-pep8): New variables.

gnu: Add python2-fastlmm.

* gnu/packages/python.scm (python2-fastlmm): New variable.

gnu: Add python2-pysnptools.

* gnu/packages/python.scm (python2-pysnptools): New variable.

gnu: Replace versioned gfortran inputs with just "gfortran".

* gnu/packages/julia.scm (julia)[inputs]: Replace "gfortran-4.8" with
  "gfortran".
* gnu/packages/machine-learning.scm (randomjungle)[native-inputs]: Likewise.
* gnu/packages/maths.scm (arpack-ng, lapack, petsc, superlu)
   (superlu-dist, openblas, openspecfun, atlas)[inputs]: Likewise.
   (octave)[native-inputs]: Likewise.
   (gmsh)[propagated-inputs]: Likewise.
* gnu/packages/mpi.scm (openmpi)[inputs]: Likewise.
* gnu/packages/python.scm (python-numpy-bootstrap)[native-inputs]: Likewise.
* gnu/packages/python.scm (python-scipy)[native-inputs]: Likewise.
* gnu/packages/statistics.scm (r)[inputs]: Replace "gfortran-4.9" with
  "gfortran".

Merge branch 'master' into core-updates

gnu: python-scikit-learn: Update to 0.16.1.

* gnu/packages/python.scm (python-scikit-learn): Update to 0.16.1.

gnu: python-scikit-learn: Use OpenBLAS instead of ATLAS.

* gnu/packages/python.scm (python-scikit-learn)[inputs]: Replace "atlas" with
  "openblas".
* gnu/packages/python.scm (python-scikit-learn)[arguments]: Remove build phase
  'set-environment-variables, which is only needed when ATLAS is used.

gnu: python-scipy: Build with OpenBLAS and lapack.

* gnu/packages/python.scm (python-scipy)[inputs]: Remove "atlas", add "lapack"
  and "openblas".
* gnu/packages/python.scm (python-scipy)[arguments]: Replace phase
  "set-environment-variables" with "configure-openblas".

gnu: python-numpy-bootstrap: Add lapack to inputs.

* gnu/packages/python.scm (python-numpy-bootstrap)[inputs]: Add lapack to
  inputs, because OpenBLAS does not include lapack functions.

Merge branch 'master' into core-updates

Conflicts:
	gnu/packages/commencement.scm
	gnu/packages/xml.scm

gnu: python: Disable ssl test that fails with openssl-1.0.2b.

* gnu/packages/patches/python-disable-ssl-test.patch: New file.
* gnu-system.am (dist_patch_DATA): Add it.
* gnu/packages/python.scm (python): Add patch.

Merge branch 'master' into core-updates

gnu: python-numpy: Build against OpenBLAS.

* gnu/packages/python.scm (python-numpy)[inputs]: Use "openblas" instead of
  "atlas".
* gnu/packages/python.scm (python-numpy)[arguments]: Configure build against
  OpenBLAS.

Modified-By: Mark H Weaver <mhw@netris.org>

python-pillow: Update to 2.8.1, remove duplicated ones.

* gnu/packages/python.scm (python-pillow): Update to 2.8.1.
  [inputs]: Add freetype and libwebp.
  (python-pillow, python2-pillow): Remove duplicated variables.

Merge branch 'master' into gtk-rebuild

gnu: dbus-glib: Propagate inputs dbus and glib.

* gnu/packages/glib.scm (dbus-glib): Propagate inputs dbus and glib.
* gnu/packages/audio.scm (patchage),
  gnu/packages/gnuzilla.scm (icecat),
  gnu/packages/python.scm (python-dbus): Drop inputs dbus and glib.
* gnu/packages/gnome.scm (colord, gconf, gnome-vfs, upower),
  gnu/packages/mail.scm (claws-mail),
  gnu/packages/messaging.scm (hexchat),
  gnu/packages/wicd.scm (wicd): Drop input dbus.