[gtk+] (18 commits) Created branch wip/otte/gadget

[Benjamin Otte <otte src gnome org>]

The branch 'wip/otte/gadget' was created.

Summary of new commits:

  4ed0cfa... treeview: Reposition dnd button css node properly
  4dd1354... css: Add min-width/height CSS properties
  c82fbcd... gadget: Add the concept of a "gadget"
  f122cfb... gadget: Add GtkCssCustomGadget
  d62e3b2... switch: Port to gadgets
  175607f... container: Split out a function
  92e2c08... box: Port to gadgets
  f94effd... image: Port to gadgets
  8ddade4... iconhelper: Turn into gadget
  eec7af6... iconhelper: Use the gadget's owner property
  7c2f5ec... iconhelper: Require passing a cssnode to the constructor
  99182b9... iconhelper: Use the gadget's node
  7ee912d... iconhelper: Handle invalidation
  7574ca7... rendericon: Restore cairo matrix after rendering
  8631c47... iconhelper: Finish gadget conversion
  c7ee48a... spinbutton: Port the buttons to gadgets
  017d5f4... entry: Turn icons into gadgets
  26f44a6... iconhelper: Queue resize on invalidation