[nautilus] Created tag 3.20.4

[Gitlab System User <gitlab src gnome org>]

The unsigned tag '3.20.4' was created.

Tagger: Carlos Soriano <csoriano gnome org>
Date: 1483977048 +0100

    tag for 3.20.4

Changes since the last tag '3.20.3':

Carlos Soriano (2):
      Revert "files-view: use gtk_popover_pop{up,down} for rename popover"
      release: prepare for 3.20.4

Christian Stadelmann (1):
      nautilus-window.ui: don't allow main_view to shrink

Dz Chen (1):
      Update zh_CN translation

Ernestas Kulik (2):
      window: check for an active slot when updating cursor
      files-view: use gtk_popover_pop{up,down} for rename popover

GNOME Translation Robot (1):
      Updated Scottish Gaelic translation

Iain Lane (1):
      nautilus-canvas: Don't lay down desktop icons if we haven't been allocated size yet

djb (1):
      list-view: do not try to activate a NULL selection

gogo (1):
      Update Croatian translation