mate-panel 1.27.2 release

Changes since the last release: v1.27.1...v1.27.2

mate-panel 1.27.2

• update translations
  libmate-panel-applet: don't use panel plug to find the screen
  wayland-tasklist: really set maximum label width
  wayland tasklist: fit buttons to tasklist, limit button size, hide contents as necessary
  notification-area: stop warning on removal
  Update org.mate.panel.object schema descriptions
  button-widget.c: replace tabs with 4 spaces
  Wayland: Fix blurry rendering of panel launcher icons
  Wayland: ensure tasklist buttons get widget name
  wayland: stop tasklist overflowing over other applets
  Clock applet/wayland: position calendar window same as in x11
  libmate-panel-applet/Makefile.am: Fix build with gettext 0.22
  Fix distribution of applet service files
  Wayland, Tray applet: allow in-process applet to load, using SNI only (#1372)
  Wayland, hidpi: do not scale buttons in wayland (#1370)
  tell dconf-edit about relocatable schemas (#1355)
  applets/wncklet/wayland-backend: Add basic icon support (#1275)
  applets/wncklet/wayland-backend: Add basic context menu (#1276)
  panel-run-dialog: Add accelerator keys for "list of known applications" (#1359)