[gnome-builder] (5 commits) Non-fast-forward update to branch wip/chergert/completion

[Christian Hergert <chergert src gnome org>]

The branch 'wip/chergert/completion' 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:

  1ad778d... wip
  a6dbed7... prefs: allow tweaking the number of completion rows
  3c2921b... completion: track items-changed from result list models
  46d0c72... completion: track items-changed from list-box
  ae86313... completion: avoid queue_resize when display wont change
  aede36b... wip2

Commits added to the branch:

  754ef10... completion: add some basic plumbing to detect invaldations
  47aef1f... prefs: allow tweaking the number of completion rows
  431a0f1... completion: track items-changed from result list models
  c2508e2... completion: track items-changed from list-box
  37f8fcd... completion: avoid queue_resize when display wont change