gnu: youtube-dl: Update to 2017.06.23.

* gnu/packages/video.scm (youtube-dl): Update to 2017.06.23.

gnu: Move contents of zip module into compression module.

* gnu/packages/zip.scm (zip, unzip, zziplib, perl-zip): Move to...
* gnu/packages/compression.scm: ...here.
* gnu/packages/zip.scm: Delete file.
* gnu/local.mk (GNU_SYSTEM_MODULES): Unregister deleted file.
* po/packages/POTFILES.in: Unregister deleted file.
* gnu/packages/{audio, avr, bioinformatics, busybox, cdrom, ci, compression,
docbook, documentation, fonts, fpga, game-development, games, gl, gnome,
gnuzilla, graphics, guile, haskell, image, java, kodi, ldc, libreoffice,
markup, maths, mc, monitoring, music, php, pretty-print, python, scheme,
smalltalk, statistics, synergy, tex, textutils, video, web-browsers, xml,
zip}.scm, guix/build-system/{ant, font}.scm, guix/{download, packages}.scm:
Adapt module import.

gnu: libbluray: Update to 1.0.1.

* gnu/packages/video.scm (libbluray): Update to 1.0.1.
[arguments]<#:configure-flags>: Adjust deprecated flag.

gnu: ffmpeg: Add vaapi hardware acceleration.

* gnu/packages/video.scm (ffmpeg)[inputs]: Add libva.

gnu: youtube-dl: Update to 2017.06.12.

* gnu/packages/video.scm (youtube-dl): Update to 2017.06.12.

gnu: avidemux: Limit supported architectures.

* gnu/packages/video.scm (avidemux)[supported-systems]: New field, limit
to x86_64, i686 and armhf.

gnu: ffmpeg: Update to 3.3.2.

* gnu/packages/video.scm (ffmpeg): Update to 3.3.2.

gnu: livemedia-utils: Change source URL to one that is archived.

* gnu/packages/video.scm (livemedia-utils)[source]: Change it.

gnu: livemedia-utils: Update to 2017.06.04.

* gnu/packages/video.scm (livemedia-utils): Update to 2017.06.04.

gnu: ffmpeg@2.8: Update to 2.8.12.

* gnu/packages/video.scm (ffmpeg-2.8): Update to 2.8.12.

gnu: youtube-dl: Update to 2017.05.07.

* gnu/packages/video.scm (youtube-dl): Update to 2017.05.07.

Merge branch 'staging'

gnu: libass: Update to 0.13.7.

* gnu/packages/video.scm (libass): Update to 0.13.7.

gnu: vlc: Use libdvbpsi.

* gnu/packages/video.scm (vlc)[inputs]: Add libdvbpsi.

gnu: Add libdvbpsi.

* gnu/packages/video.scm (libdvbpsi): New variable.

gnu: vlc: Use livemedia-utils.

* gnu/packages/video.scm (vlc)[inputs]: Add livemedia-utils.
[native-inputs]: Add autoconf, automake and libtool.
[arguments]: Add bootstrap and fix-livemedia-utils-prefix phases.

gnu: Add livemedia-utils.

* gnu/packages/video.scm (livemedia-utils): New variable.

gnu: Add mediainfo.

* gnu/packages/video.scm (mediainfo): New variable.

Signed-off-by: Ludovic Courtès <ludo@gnu.org>

gnu: Add libmediainfo

* gnu/packages/video.scm (libmediainfo): New variable.

Signed-off-by: Ludovic Courtès <ludo@gnu.org>

Merge branch 'master' into staging