gnu: Add emacs-emms-player-mpv. * gnu/packages/emacs.scm (emacs-emms-player-mpv): New variable.
gnu: emms: Rename package to "emacs-emms". * gnu/packages/emacs.scm (emms): Rename to "emacs-emms".
gnu: smalltalk: Don't use bundled libraries. * gnu/packages/smalltalk.scm (smalltalk)[native-inputs]: Add libffi, libltdl, libsigsegv, pkg-config. [home-page]: Update to new home-page.
gnu: cgit: Update to 1.0. * gnu/packages/version-control.scm (cgit): Update to 1.0.
gnu: mercurial: Update to 3.8.4. * gnu/packages/version-control.scm (mercurial): Update to 3.8.4.
gnu: exiv2: Update to 0.25. * gnu/packages/geeqie.scm (exiv2): Update to 0.25. [native-inputs]: Add intltool.
gnu: geeqie: Update to 1.3. * gnu/packages/geeqie.scm (geeqie): Update to 1.3. [arguments]: Add autogen phase. [native-inputs]: Add autoconf, automake, glib.
gnu: ninja: Update to 1.7.1. * gnu/packages/ninja.scm (ninja): Update to 1.7.1. * gnu/packages/patches/ninja-tests.patch: Update patch.
gnu: emacs-helm: Update to 1.9.8. * gnu/packages/emacs.scm (emacs-helm): Update to 1.9.8.
gnu: emacs-slime: Update to 2.18. * gnu/packages/emacs.scm (emacs-slime): Update to 2.18.
gnu: flycheck: Update to 28. * gnu/packages/emacs.scm (flycheck): Update to 28.
gnu: openspecfun: Update to 0.5.2. * gnu/packages/maths.scm (openspecfun): Update to 0.5.2.
gnu: openlibm: Update to 0.5.1. * gnu/packages/maths.scm (openlibm): Update to 0.5.1.
gnu: librecad: Update to 2.1.1. * gnu/packages/engineering.scm (librecad): Update to 2.1.1.
gnu: pugixml: Update to 1.7. * gnu/packages/xml.scm (pugixml): Update to 1.7.
gnu: libetpan: Update to 1.7.2. * gnu/packages/mail.scm (libetpan): Update to 1.7.2. [inputs]: Add zlib.
gnu: openimageio: Update to 1.6.15. * gnu/packages/graphics.scm (openimageio): Update to 1.6.15. [source]: Remove patch. * gnu/packages/patches/openimageio-boost-1.60.patch: Remove file. * gnu/local.mk (dist_patch_DATA): Remove it.
gnu: cgal: Update to 4.8.1. * gnu/packages/graphics.scm (cgal): Update to 4.8.1. [source]: Release tarballs now at Github.
gnu: ffmpeg-2.8: Update to 2.8.7. * gnu/packages/video.scm (ffmpeg): Update to 2.8.7.
gnu: xorriso: Update to 1.4.4. * gnu/packages/cdrom.scm (xorriso): Update to 1.4.4. [home-page]: Use https.