[gnome-shell] (14 commits) Non-fast-forward update to branch 31-fix-hdpi-folder-icons

[Florian Müllner <fmuellner src gnome org>]

The branch '31-fix-hdpi-folder-icons' was changed in a way that was not a fast-forward update.
NOTE: This may cause problems for people pulling from the branch. For more information,
please see:

 https://wiki.gnome.org/Git/Help/NonFastForward

Commits removed from the branch:

  1007470... appDisplay: Fix small app folder icons when using HIDPI

Commits added to the branch:

  5f6aace... Update Polish translation (*)
  9dbe108... calendar: Make month and month-year formats translatable (*)
  a647445... calendar Preparing for genitive/nominative months (*)
  f2d12e2... Update Polish translation (*)
  5122b06... altTab: Update the switcher when apps and/or windows get st (*)
  a3918d8... altTab: Add shortcut to quit application (*)
  06f790d... switcherPopup: Handle removal of items from SwitcherPopup (*)
  d63c0e2... altTab: Add also a shortcut to close windows from the switc (*)
  fc5b159... Update Galician translation (*)
  3fe45e2... theme: Replace gnome-shell-sass submodule with subtree (*)
  433b28b... Update Friulian translation (*)
  1ce5ed8... Update Brazilian Portuguese translation (*)
  bc4462c... viewSelector: Avoid stealing focus from other entries into  (*)
  92f1aec... appDisplay: Fix small app folder icons when using HIDPI

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