[gtk] (5 commits) Non-fast-forward update to branch wip/otte/canvas

[Benjamin Otte <otte src gnome org>]

The branch 'wip/otte/canvas' 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:

  a80b4c0... canvas: Make origin a GtkCanvasVector
  7a50bec... canvas: Add gtk_canvas_vector_to_string()
  5ce8c1d... canvas: Give variable vectors a name
  1ebfc91... demos: Add the planarity game
  67cd405... canvas: scale(-1) the widgets when allocation size is negat

Commits added to the branch:

  384a873... canvas: Make origin a GtkCanvasVector
  290d6b6... canvas: Add gtk_canvas_vector_to_string()
  3adc287... canvas: Give variable vectors a name
  fd4a717... demos: Add the planarity game
  183e341... canvas: scale(-1) the widgets when allocation size is negat