[gnome-shell] (22 commits) Non-fast-forward update to branch wip/fmuellner/prefs-update

[Florian Müllner <fmuellner src gnome org>]

The branch 'wip/fmuellner/prefs-update' 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:

  5646e1e... extensionPrefs: Add blank state
  f9a6b9b... extensionPrefs: Improve error UI

Commits added to the branch:

  95a31b0... st: Use ClutterKeymap to detect caps lock state changes (*)
  8f732e4... messageTray: Disconnect signals when resetting notification (*)
  a7bb8ee... magnifier: Use a ClutterContent to render mouse sprite (*)
  8665045... st: Check for ClutterImage when creating shadow pipelines (*)
  259f90b... texture-cache: Fix documentation error (*)
  69b1fb6... app: Replace ClutterTexture by ClutterActor (*)
  5f4e274... overview: Remove unneeded check if primary monitor exists (*)
  f6da36a... workspaceThumbnail: Clean up porthole/workarea setting and  (*)
  b597d5f... shell-global: Use MetaLaunchContext instead of GdkLaunchCon (*)
  dc4ff94... networkAgent: Fix showing the WPS message (*)
  91319e3... networkAgent: Fix mobile broadband notifications (*)
  c353914... appFavorites: Fix nonsense condition (*)
  a7943ff... iconGrid: Fix nonsense condition (*)
  c264cc4... objectManager: Fix undefined variable (*)
  a9ed128... ibusCandidatePopup: Clarify assignment in condition (*)
  3134222... keyboard: Add back constructor parameter (*)
  4f76e05... keyboard: Fix undefined variable in fall-through message (*)
  37e0a73... iconGrid: Remove unreachable code (*)
  e92477a... screenShield: Show detailed notification data if notificati (*)
  f4a64f7... util: Use (thread-safe) uselocale() (*)
  9be731f... extensionPrefs: Add blank state
  6e6e100... extensionPrefs: Improve error UI

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