[gnome-control-center] (21 commits) Non-fast-forward update to branch wip/gbsneto/new-keyboard-panel

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

The branch 'wip/gbsneto/new-keyboard-panel' 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:

  685fa76... shell: update sidebar when active panel is set externally
  d779701... shell: add a autocleanup function to CcPanel
  5550c95... keyboard: remove boilerplate code
  ba7b2ce... keyboard: remove deprecated GtkHBox and GtkVBox
  91f1a36... keyboard: expose structures in header
  c2d12ed... keyboard: make it a template class
  549738e... keyboard: show all shortcuts in a single treeview
  ea75cc0... keyboard: add a group field to CcKeyboardItem
  3853093... keyboard: add helper method for user-friendly accelerators
  9313203... keyboard: show shortcuts in a listbox
  da1ce15... keyboard: remove the shortcuts treeview
  f1e4b24... keyboard: add CcShortcutLabel
  25008ba... keyboard: introduce CcKeyboardShortcutEditor
  831014c... keyboard: move keyboard management code to custom class
  5d23a69... keyboard: bring back uniqueness check
  3a06172... keyboard: add API to track whether a shortcut is default
  a20f862... keyboard: add support to reset shortcuts to their default v
  577917a... keyboard: remove unused code
  4816c75... keyboard: bring back reverse item management
  6563e3c... keyboard: add search support

Commits added to the branch:

  42a360e... shell: update sidebar when active panel is set externally (*)
  61d7abe... shell: add a autocleanup function to CcPanel (*)
  bca7c59... keyboard: remove boilerplate code (*)
  ce08134... keyboard: remove deprecated GtkHBox and GtkVBox (*)
  4aee781... shell: ensure valid data when loading the panel (*)
  1c0a88e... keyboard: expose structures in header
  fe7c69d... keyboard: make it a template class
  dd8d093... keyboard: show all shortcuts in a single treeview
  1e02374... keyboard: add a group field to CcKeyboardItem
  6667f99... keyboard: add helper method for user-friendly accelerators
  8602720... keyboard: show shortcuts in a listbox
  0767656... keyboard: remove the shortcuts treeview
  02ffa4a... keyboard: add CcShortcutLabel
  023117b... keyboard: introduce CcKeyboardShortcutEditor
  8fa1258... keyboard: move keyboard management code to custom class
  34f2ffc... keyboard: bring back uniqueness check
  79b9dd8... keyboard: add API to track whether a shortcut is default
  41a0c18... keyboard: add support to reset shortcuts to their default v
  8cfe2ca... keyboard: remove unused code
  94e0464... keyboard: bring back reverse item management
  1b80f4e... keyboard: add search support

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