[gtk] (10 commits) Non-fast-forward update to branch curve-ops

[Matthias Clasen <matthiasc src gnome org>]

The branch 'curve-ops' 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:

  1c96170... Add gsk_curve_get_bounds
  bd95d05... Add gsk_curve_intersect
  131a77d... Add gsk_curve_get_{start,end}_angle
  8ad057f... Add curve intersection tests
  46900fd... Add gsk_curve_get_hull
  2bcff17... Add a test for curve bounds

Commits added to the branch:

  0467edb... XXX: Fix pathop includes
  dafe5c2... Add curve eval tests
  843b380... Add gsk_curve_get_{start,end}_tangent
  5db10d7... Add curve tangent tests
  2bdbc2d... Add gsk_curve_get_tight_bounds
  807d68c... Add gsk_curve_get_bounds
  5345b1a... Add a curve bounds test
  b362348... Implement gsk_conic_curve_split
  767fba6... Add gsk_curve_intersect
  06d91f2... Add curve intersection tests