[gnome-shell] (8 commits) Non-fast-forward update to branch wip/fmuellner/js-cleanups

[Florian Müllner <fmuellner src gnome org>]

The branch 'wip/fmuellner/js-cleanups' 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:

  193936e... cleanup: Use method syntax
  202d5f5... cleanup: Use arrow notation for anonymous functions
  fc4864f... cleanup: Use Function.prototype.bind()

Commits added to the branch:

  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 (*)
  001cede... cleanup: Use method syntax
  3229b27... cleanup: Use arrow notation for anonymous functions
  58f6bc7... cleanup: Use Function.prototype.bind()

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