[gtk] (7 commits) Non-fast-forward update to branch path-tests

[Matthias Clasen <matthiasc src gnome org>]

The branch 'path-tests' 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:

  a25576c... Implement stroking
  7ac54ba... Add basic tests for strokes
  a1e4fcb... Add another stroker test
  068f500... stroke: Add back some debugging
  b03160e... Handle degenerate curves
  5ac7896... Add an interactive path test
  e496589... Add a path editor demo
  6ff2f7e... curve2: Add a way to compare to cairo

Commits added to the branch:

  0c96e7f... Implement stroking (*)
  c0ac79a... Add basic tests for strokes (*)
  ba78842... Add another stroker test (*)
  6b99719... Add an interactive path test
  7b5bbc5... Add a path editor demo
  c406dd3... xxx: Make gsk_stroke_to_cairo public
  a0ae45a... curve2: Add a way to compare to cairo

(*) This commit already existed in another branch; no separate mail sent