gnu: Add python-anyjson.

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

gnu: Add python-webtest.

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

gnu: Add python-pyquery.

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

gnu: Add python-pastedeploy.

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

gnu: Add python-wsgiproxy2.

* gnu/packages/python.scm (python-wsgiproxy2, python2-wsgiproxy2):
  New variables.

gnu: Add python-waitress.

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

gnu: Add python-beautifulsoup4.

* gnu/packages/python.scm (python-beautifulsoup4, python2-beautifulsoup4):
  New variables.

gnu: Add python-pytest-xdist.

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

gnu: Add python2-execnet.

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

gnu: Add python2-apipkg.

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

gnu: Add python-alembic.

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

Update all sources from freedesktop.org to use https

* gnu/packages/xorg.scm:
* gnu/packages/xdisorg.scm:
* gnu/packages/video.scm:
* gnu/packages/tls.scm:
* gnu/packages/python.scm:
* gnu/packages/pulseaudio.scm:
* gnu/packages/polkit.scm:
* gnu/packages/pdf.scm:
* gnu/packages/libcanberra.scm:
* gnu/packages/gtk.scm:
* gnu/packages/gstreamer.scm:
* gnu/packages/gnome.scm:
* gnu/packages/glib.scm:
* gnu/packages/ghostscript.scm:
* gnu/packages/freedesktop.scm:
* gnu/packages/fontutils.scm: Update all sources hosted on freedesktop
  to fetch tarballs via https.  freedesktop.org appears to have updated
  recently to redirect all http to https.  As an exception, we leave
  pkg-config like it is, because pkg-config is needed to build gnutls,
  and without gnutls we can't download https URLs.

gnu: python-enum34: Remove python-setuptools from inputs.

* gnu/packages/python.scm (python-enum34)[inputs]: Remove
python-setuptools.

gnu: Don't use python-enum34 when building with python-3.4.

* gnu/packages/docker.scm (docker-compose)[inputs]: Remove python-enum34.
* gnu/packages/python.scm (python-parse-type)[inputs]: Likewise.
(behave)[inputs]: Likewise.
(python-cryptography)[propagated-inputs]: Likewise.
(python2-cryptography)[propagated-inputs]: Add python2-enum34.

gnu: Add python2-enum34.

* gnu/packages/python.scm (python2-enum34): New variable.

gnu: python-enum34: Update to 1.1.0.

* gnu/packages/python.scm (python-enum34): Update to 1.1.0.
[source]: Use pypi-uri.

gnu: Add python-mako.

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

gnu: python-click-log: Update to 0.1.3.

* gnu/packages/python.scm (python-click-log): Update to 0.1.3.

gnu: python-atomicwrites: Update to 0.1.9.

* gnu/packages/python.scm (python-atomicwrites): Update to 0.1.9.

gnu: python-lxml: Update to 3.5.0.

* gnu/packages/python.scm (python-lxml, python2-lxml): Update to 3.5.0.
[source]: Use pypi-uri.