[gtk] (12 commits) Non-fast-forward update to branch action-muxer-speedup

[Matthias Clasen <matthiasc src gnome org>]

The branch 'action-muxer-speedup' 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:

  04fe05d... Speed up action muxer setup
  3898428... Speed up action muxer setup more
  4c2588c... inspector: Remove action support temporarily
  b75adc4... actionmuxer: Add some more api
  7e02f4d... actionmuxer: Port internal users
  00fc05d... actionmuxer: Stop implementing GActionGroup
  89da895... Add gtk_action_muxer_list_actions
  151aa3a... inspector: Make the actions tab work again

Commits added to the branch:

  9586e39... debug spew for window closing
  3211781... Speed up action muxer setup
  9f4e5b9... Speed up action muxer setup more
  a33adcb... inspector: Remove action support temporarily
  0ec0340... actionmuxer: Add some more api
  a180930... actionmuxer: Port internal users
  8ed988e... actionmuxer: Stop implementing GActionGroup
  d383ab5... Add gtk_action_muxer_list_actions
  127bb69... inspector: Make the actions tab work again
  e0ab60e... actionmuxer: Create observed_actions on demand
  07a0295... actionmuxer: Create groups on deman
  3b80cbd... dump stats