[gtk+] (27 commits) Non-fast-forward update to branch wip/otte/rendernode

[Benjamin Otte <otte src gnome org>]

The branch 'wip/otte/rendernode' 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:

  180161c... gsk: Remove GskRenderNode::hidden
  ed360fe... gsk: Remove custom GValue API for GskRenderNode
  53c35b6... gsk: Make GskRenderNode a boxed type
  5b7a88a... gsk: Remove GskRenderNodeIter
  5e7a59e... gsk: Add GskRenderNodeType
  84e8219... gsk: Add gsk_texture_node_new()
  a00eba9... gtk: Don't push cairo nodes
  94f0f2d... gsk: Add gsk_cairo_node_new()
  83eab74... gsk: Remove unneeded children modifiers
  76d5f4e... gsk: Remove gsk_render_node_is_surface/texture()
  30e6c37... gsk: Split render node subclasses out into their own file
  04bcfd4... gsk: Introduce GskRenderNodeClass
  f00d0fb... gtk: Remove gtk_snapshot_append()
  ab4bba1... gsk: Add gsk_container_node_new()

Commits added to the branch:

  3536182... gsk: Remove GskRenderNode::hidden
  2e476a3... gsk: Remove custom GValue API for GskRenderNode
  544fc87... gsk: Make GskRenderNode a boxed type
  f21315a... gsk: Remove GskRenderNodeIter
  63f7f3f... gsk: Add GskRenderNodeType
  e62d4b7... gsk: Add gsk_texture_node_new()
  8a20c1d... gtk: Don't push cairo nodes
  f6363b0... gsk: Add gsk_cairo_node_new()
  261b19a... gsk: Remove unneeded children modifiers
  5b64dd3... gsk: Remove gsk_render_node_is_surface/texture()
  e6c0418... gsk: Split render node subclasses out into their own file
  85a2db3... gsk: Introduce GskRenderNodeClass
  67de8f8... gtk: Remove gtk_snapshot_append()
  e1c60b9... gsk: Add gsk_container_node_new()
  5b1771a... gsk: Add GskRenderNodeClass.finalize()
  216b3af... gsk: Add custom structs to RenderNode subclasses
  ceb07ec... gsk: Remove gsk_render_node_set_opaque()
  14e06c6... gsk: Add GskRenderNodeClass.make_immutable()
  5852561... gsk: Remove gsk_render_node_get_size()
  a5ddd50... gsk: Remove gsk_render_node_set_bounds()
  bcc3551... gsk: Remove world matrix support
  a425a78... inspector: Prepare TreeModelRenderNode for brave new world
  de606e2... gsk: Remove GskRenderNode::parent
  57c9636... gsK: Move children handling to GskContainerNode
  81ba6e6... gsk: gsk_render_node_set_transform() => GskTransformNode
  6c15596... snapshot: Handle clip region as part of the state
  87ac832... snapshot: Change how gtk_snapshot_push/pop works