[gtk+] (25 commits) Created branch dialogs

[Matthias Clasen <matthiasc src gnome org>]

The branch 'dialogs' was created.

Summary of new commits:

  0a7ee24... dialog: Add a headerbar
  625a04d... dialog: Mark alternate button order as deprecated
  f93b0ea... headerbar: Set a minimum size for the title
  9cc72bb... window: Allow unsetting custom titlebar
  5831909... Add an expand button box type
  154fdb1... demo: Add new button box layouts
  f0b3251... message dialog: Don't use headerbar
  e870426... message dialog: Allow button box to extend to the edge
  3823874... message dialog: Don't show images
  81cd87f... message dialog: Center text
  2ae5ecf... demo: Add two buttons to the message dialog
  8081a22... Add a setting for dialog headers
  4da4d05... about dialog: Use headerbar
  dc65764... font dialog: Use headerbar
  5a99500... color chooser: Use headerbar
  b9a1e54... app chooser: Use headerbar
  0df4e31... print dialog: Use headerbar
  c82144d... page setup: Use headerbar
  2e872cd... custom paper dialog: Use headerbar
  3108a16... file chooser: Clean up direct action area interaction
  b10ea48... file chooser dialog: Use headerbar
  f1e953d... recent chooser dialog: Use headerbar
  36e8121... mount operation: Use headerbar
  67d8fd8... Fix up testrecentchooser
  1b81070... Avoid remaining deprecation warnings