[gtk+] (7 commits) Non-fast-forward update to branch wip/watson/progress-tracker

[Matthew Watson <watson src gnome org>]

The branch 'wip/watson/progress-tracker' 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:

  e10baf7... animatedstyle; just ref current style if timestamp the same
  6c853df... animatedstyle: rename function
  5f9e75e... styleanimation: don't take timestamp for static/finished
  ed77a7f... styleanimation: rename set_values -> advance_values
  28f77f5... progresstracker: add GTK_SLOWDONW environment variable
  3335575... inspector: add slider to control slowdown factor
  4da0c2c... revealer: port to progress tracker

Commits added to the branch:

  cfa3cee... animatedstyle: just ref current style if timestamp the same
  a6c23a2... animatedstyle: rename function
  6a25f3e... styleanimation: don't take timestamp for static/finished
  5c23d2b... styleanimation: rename set_values -> advance_values
  79c4fa3... progresstracker: add GTK_SLOWDONW environment variable
  9983750... inspector: add slider to control slowdown factor
  dacd43a... revealer: port to progress tracker