[gtk] (14 commits) Non-fast-forward update to branch state-saving

[Matthias Clasen <matthiasc src gnome org>]

The branch 'state-saving' 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:

  2c8a68b... widget: Add state saving plumbing
  4ee5cc8... range: Add default state saving
  ddc9b99... text: Add default state saving
  65a4698... colorchooserwidget: Add default state saving
  b5e4bf7... switch: Add default state saving
  6e1a32b... paned: Add default state saving
  fe6e757... stack: Add default state saving
  d12faa4... passwordentry: Add default state saving
  892daa9... checkbutton: Add default state saving
  6ba0622... togglebutton: Add default state saving
  5cadacb... Add a state-saving test
  9649abf... application: Add state saving

Commits added to the branch:

  8db1b89... widget: Add state saving plumbing
  1962f53... range: Add default state saving
  0c6fb61... text: Add default state saving
  fd49918... colorchooserwidget: Add default state saving
  ecf6c35... switch: Add default state saving
  26c5240... paned: Add default state saving
  ee0e826... stack: Add default state saving
  bc2d8bf... passwordentry: Add default state saving
  1f7ca10... checkbutton: Add default state saving
  9ee07d3... togglebutton: Add default state saving
  aa0df60... window: Add default state saving
  7e8dfd5... Add a state-saving test
  9f35250... application: Add state saving
  a7edd09... exampleapp9: Add state saving