[gnome-shell] (18 commits) Non-fast-forward update to branch wip/hadess/welcome-tour

[Bastien Nocera <hadess src gnome org>]

The branch 'wip/hadess/welcome-tour' 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:

  af8cc13... welcomeDialog: Add “welcome” dialog
  edf9a2d... util: Add a GNOME version comparison function
  9d4d1ba... main: Show welcome dialogue on first start

Commits added to the branch:

  5c7436b... appDisplay: Never use animated indicators (*)
  a9cbbd8... pageIndicators: Remove animated indicators (*)
  3ff71ac... iconGrid: Use correct default values in pspecs (*)
  0064412... appDisplay: Remove obsolete property (*)
  a41e294... workspaceThumbnails: Remove obsolete property (*)
  0f1b566... js: Use gjs-defined GObject accessors where possible (*)
  252f2f5... cleanup: Define GObject accessors in camelCase (*)
  3abfc25... workspacesView: Always use ZOOM transition (*)
  26c5434... workspacesView: Use side-by-side layout (*)
  1359b27... viewSelector: Tie workspace fit mode to adjustment (*)
  ed11709... workspacesView: Center active workspace in allocation (*)
  b64103e... workspacesView/workspacesDisplay: Don't sync geometry when  (*)
  4cf5b4a... workspacesView: Scale inactive workspaces (*)
  176ea3b... workspace: Split preparation steps from zoomFromOverview (*)
  1adcbaa... workspacesView: Derive workspace state from fit mode (*)
  a5d0bbf... welcomeDialog: Add “welcome” dialog
  7dac93c... util: Add a GNOME version comparison function
  5ba622d... main: Show welcome dialogue on first start

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