Merge branch 'master' into core-updates

gnu: python-nltk: Disable the test suite.

The tests were silently skipped with Python 3.4. With Python 3.5, this caused
the build of python-nltk to fail.

* gnu/packages/python.scm (python-nltk, python2-nltk)[arguments]:
Disable the tests.

gnu: python-pyquery: Add inputs for test suite.

* gnu/packages/python.scm (python-pyquery,
python2-pyquery)[native-inputs]: Add python-webob and python-webtest.

gnu: dico: Fix test failure.

* gnu/packages/dico.scm (dico)[source]: Add 'snippet' and 'modules'.

gnu: python-graphql-core: Disable the test suite.

The tests were silently skipped with Python 3.4. With Python 3.5, this caused
the build of python-graph-ql to fail.

* gnu/packages/python.scm (python-graphql-core,
python2-graphql-core)[arguments]: Disable the tests.

Merge branch 'master' into core-updates

gnu: python-pika: Add inputs for test suite.

* gnu/packages/python.scm (python-pika, python2-pika)[native-inputs]: Add
python-pyev, python-tornado.

gnu: Add python-pyev.

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

gnu: python-prompt-toolkit: Disable the test suite.

The tests were silently skipped with Python 3.4. With Python 3.5, this caused
the build of python-prompt-toolkit to fail.

* gnu/packages/python.scm (python-prompt-toolkit,
python2-prompt-toolkit)[arguments]: Disable the tests.

gnu: python-publicsuffix2: Disable the test suite.

The tests were silently skipped with Python 3.4. With Python 3.5, this caused
the build of python-publicsuffix2 to fail.

* gnu/packages/python.scm (python-publicsuffix2, python2-publicsuffix2)
[arguments]: Disable the tests.

gnu: python-pyechonest: Remove package.

* gnu/packages/music.scm (python-pyechonest): Remove variable.

gnu: Add openocd.

* gnu/packages/embedded.scm (openocd): New variable.
* gnu/packages/patches/openocd-nrf52.patch: New file.
* gnu/local.mk (dist_patch_DATA): Add the patch.

gnu: Add jimtcl.

* gnu/packages/embedded.scm (jimtcl): New variable.

gnu: Add libjaylink.

* gnu/packages/embedded.scm (libjaylink): New variable.

gnu: Add hidapi.

* gnu/packages/libusb.scm (hidapi): New variable.

gnu: Add gdb-arm-none-eabi.

* gnu/packages/embedded.scm (gdb-arm-none-eabi): New variable.

gnu: cups-filters: Remove duplicate ‘--with-gs-path=’ flag.

* gnu/packages/cups.scm (cups-filters)[arguments]: Remove redundant
‘--with-gs-path=’ from #:configure-flags, left over from a botched merge.

gnu: cups-filters: Update to 1.11.5.

* gnu/packages/cups.scm (cups-filters): Update to 1.11.5.
[arguments]: Add ‘--with-gs-path=’ to #:configure-flags.
[inputs]: Add mupdf.

gnu: icecat: Enable gtk3 support.

* gnu/packages/gnuzilla.scm (icecat)[inputs]: Add gtk+.
  [arguments]: Use --enable-default-toolkit=cairo-gtk3.

doc: Add information related to network connectivity with qemu.

* doc/guix.text: Add it.