[gtk] (5 commits) Non-fast-forward update to branch matthiasc/lottie2

[Matthias Clasen <matthiasc src gnome org>]

The branch 'matthiasc/lottie2' 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:

  5d93714... path: Implement gsk_path_builder_arc_to
  c03452c... path: Implement gsk_path_new_from_string
  83a0986... path: Fix serialization for circles
  42eef46... Add an interactive path test

Commits added to the branch:

  bd555aa... path: Implement gsk_path_builder_arc_to
  bfe4bdb... path: Implement gsk_path_new_from_string
  7852826... path: Fix serialization for circles
  13db5b8... Add an interactive path test
  be1a87b... testsuite: Add more random paths