[gnome-user-docs/wip/mdh] (46 commits) ...Merge branch 'master' into wip/mdh

[Petr Kovář <pmkovar src gnome org>]

Summary of changes:

  a9a4008... Update Polish translation (*)
  802d23b... Update Spanish translation (*)
  18a7855... Update Spanish translation (*)
  048ec90... Update Catalan translation (*)
  8e16c7a... Update Catalan translation (*)
  e109c89... Update Catalan translation (*)
  1a38203... Update Brazilian Portuguese translation (*)
  f8c498b... Update Catalan translation (*)
  2d6c4de... Update Catalan translation (*)
  29785e4... Update German translation (*)
  9f12944... Update Catalan translation (*)
  61e4c71... Update Spanish translation (*)
  f6887a0... Update Galician translation (*)
  9226866... Update Swedish translation (*)
  8c1e134... Updated Czech translation (*)
  55d713f... Add notification bar shortcut introduced in bug 687986 (*)
  58483a7... Update Polish translation (*)
  eba367c... Update Swedish translation (*)
  67a7bbf... Updated Czech translation (*)
  2d3f7c7... 3.30.0 (*)
  0b0d02c... Update Spanish translation (*)
  43953e9... gnome-help: Add updated printing-select 3.28 screenshot (*)
  aa85688... Fix broken XML tags in German and Spanish translations (*)
  74fa603... Update Polish translation (*)
  6c550f3... Update Brazilian Portuguese translation (*)
  9f55256... No media control on lock screen, see BZ #747787 (*)
  f54d3ea... Update Catalan translation (*)
  a1fc6f8... No media control on lock screen, see BZ #747787 (*)
  4f8ee35... Update Catalan translation (*)
  5cb3db6... Update Catalan translation (*)
  85b8b7c... Update Brazilian Portuguese translation (*)
  2483baf... Update Polish translation (*)
  9baff53... Update shell-exit.png: No restart button anymore (*)
  0a01d87... Update shell-dash.png: Less dark now; new Nautilus icon (*)
  d9fd849... Update shell-appmenu-shell.png: Less dark now; menu options (*)
  5bb9210... Update shell-appts.png: No more 'Events' header, button at  (*)
  d056fc1... Update Polish translation (*)
  05dfa32... Update how to change system keyboard shortcuts for 3.28 (*)
  1185a50... Update how to set custom keyboard shortcuts for 3.28 (*)
  4a73cf7... Remove F-Spot stub: Nearly unmaintained; archived in GNOME  (*)
  9cfd2f2... Update Brazilian Portuguese translation (*)
  31ce4b6... Update Swedish translation (*)
  29a53af... Updated Czech translation (*)
  9d72d53... Update Polish translation (*)
  b5a84f0... Update Spanish translation (*)
  8da2865... Merge branch 'master' into wip/mdh

(*) This commit already existed in another branch; no separate mail sent