gnu: python-pycrypto: Add TODO "removal" comment.

* gnu/packages/python.scm (python-pycrypto, python2-pycrypto): Add
comment.

gnu: python-stem: Don't use python-pycrypto.

Python-pycrypto is an optional dependency of python-stem. Python-pycrypto is
unmaintained [0] and contains an exploitable buffer overflow bug [1].

[0] https://github.com/dlitz/pycrypto/issues/173
[1] https://github.com/dlitz/pycrypto/issues/176

* gnu/packages/python.scm (python-stem, python2-stem)[propagated-inputs]: Remove
python-pycrypto.

gnu: python-stem: Update to 1.5.3.

* gnu/packages/python.scm (python-stem, python2-stem): Update to 1.5.3.
[source]: Update URL.

gnu: Add python-hdf4.

* gnu/packages/python.scm (python-hdf4, python2-hdf4): New variables.

Co-authored-by: Marius Bakke <mbakke@fastmail.com>

gnu: python-scikit-learn: Update to 0.18.1.

* gnu/packages/python.scm (python-scikit-learn): Update to 0.18.1.
[arguments]: Remove special "check" phase.
[native-inputs]: Add python-cython.

gnu: Add python-xopen.

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

gnu: python-docutils: Update to 0.13.1

* gnu/packages/python.scm(python-docutils): Update to 0.13.1.
[source]: Use pypi-uri.

gnu: python-mock: Update source and home-page URIs.

* gnu/packages/python.scm (python-mock)[source]: Use ‘pypi-uri’.
[home-page]: Replace dead Google Code home page.

gnu: python-cryptography: Update to 1.7.1.

* gnu/packages/python.scm (python-cryptography, python2-cryptography): Update
  to 1.7.1.
  [arguments]: Remove field.
(python-cryptography-vectors, python2-cryptography-vectors): Update to 1.7.1.

gnu: python-setuptools: Update to 31.0.0.

* gnu/packages/python.scm (python-setuptools, python2-setuptools): Update to
31.0.0.
[source]: Use 'pypi-uri'.
[license]: Update for bundled libraries.

gnu: python-html5lib: Add dependency on python-webencodings.

* gnu/packages/python.scm (python-html5lib,
python2-html5lib)[propagated-inputs]: Add python-webencodings.

gnu: Add python-webencodings.

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

gnu: Add python-argcomplete.

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

Merge remote-tracking branch 'origin/master' into staging

gnu: Add python-flask-restful-swagger.

* gnu/packages/python.scm (python-flask-restful-swagger,
  python2-flask-restful-swagger): New variables.

Signed-off-by: Marius Bakke <mbakke@fastmail.com>

gnu: python-html5lib: Update to 1.0b10 [fixes CVE-2016-{9909,9910}].

* gnu/packages/python.scm (python-html5lib, python2-html5lib): Update to 1.0b10.

gnu: python-sqlalchemy-utils: Update to 0.32.11.

* gnu/packages/python.scm (python-sqlalchemy-utils): Update to 0.32.11.

Signed-off-by: Marius Bakke <mbakke@fastmail.com>

gnu: Add python-sadisplay.

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

Signed-off-by: Marius Bakke <mbakke@fastmail.com>

gnu: python2-notebook: Fix build.

* gnu/packages/python.scm (python2-notebook)[properties]: Add
python2-variant.
(python2-notebook)[native-packages] add python2-mock. [arguments] Add
phase "disable-test-case" for disabling a failing test. immediately

gnu: python-ipython-genutils: Update description.

* gnu/packages/python.scm (python-ipython-genutils)[description]: Add
deprecation note and TODO comment.