[gtk] (4 commits) Non-fast-forward update to branch wip/matthiasc/lottie-stroke

[Matthias Clasen <matthiasc src gnome org>]

The branch 'wip/matthiasc/lottie-stroke' 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:

  7a96bed... Add gsk_path_to_stroke
  317b2f5... Add an interactive test for stroking
  c18ddf6... wip: curve-editor stroke debugging

Commits added to the branch:

  88484ad... Add gsk_path_to_stroke
  5ff5255... Add an interactive test for stroking
  acc6b7e... wip: curve-editor stroke debugging
  5e1ca1b... wip: color segments in curve2