gnu: Add qtdatavis3d. * gnu/packages/qt.scm (qtdatavis3d): New variable.
gnu: Add qtcharts. * gnu/packages/qt.scm (qtcharts): New variable.
gnu: Add qtcanvas3d. * gnu/packages/qt.scm (qtcanvas3d): New variable.
gnu: Add qtpurchasing. * gnu/packages/qt.scm (qtpurchasing): New variable.
gnu: Add qtscxml. * gnu/packages/qt.scm (qtscxml): New variable.
gnu: Add qtgamepad. * gnu/packages/qt.scm (qtgamepad): New variable.
gnu: Add qtserialbus. * gnu/packages/qt.scm (qtserialbus): New variable.
gnu: Add qtdeclarative-render2d. * gnu/packages/qt.scm (qtdeclarative-render2d): New variable.
gnu: nano: Update to 2.7.4. * gnu/packages/nano.scm (nano): Update to 2.7.4.
challenge: Use a warning when substitutes are lacking. * guix/scripts/challenge.scm (discrepancies): Use 'warning' instead of 'leave'.
gnu: linux-libre@4.4: Update to 4.4.42. * gnu/packages/linux.scm (linux-libre-4.4): Update to 4.4.42.
gnu: Add twm. * gnu/packages/xorg.scm (twm): New variable.
gnu: Add xmag. * gnu/packages/xorg.scm (xmag): New variable.
gnu: Add xmessage. * gnu/packages/xorg.scm (xmessage): New variable.
gnu: xonsh: Update to 0.5.2. * gnu/packages/shells.scm (xonsh): Update to 0.5.2. Signed-off-by: Marius Bakke <mbakke@fastmail.com>
gnu: miniupnpc: Update to 2.0.20161216. * gnu/packages/upnp.scm (miniupnpc): Update to 2.0.20161216. [source]: Use HTTPS.
gnu: mcelog: Update to 147. * gnu/packages/linux.scm (mcelog): Update to 147.
gnu: xfig: Remove wrapper and clean up implementation. * gnu/packages/xorg.scm (%app-defaults-dir): Make public. * gnu/packages/xfig.scm (xfig)[attributes]: Remove wrapper and set the XAPPLOADDIR in the Imakefile instead.
gnu: xfig: Use modify-phases. * gnu/packages/xfig.scm (xfig): Use modify-phases.
gnu: xfd: Remove wrapper. * gnu/packages/xorg.scm (xfd): Remove wrapper.