[gtk+] (17 commits) Created branch popover-menu

[Matthias Clasen <matthiasc src gnome org>]

The branch 'popover-menu' was created.

Summary of new commits:

  99a74bf... Make GtkModelButton public
  49e074f... Make GtkModelButton a better GtkActionable
  fd26c4a... Add a manual popover menu example
  07c559d... Add GtkPopoverMenu
  67f93ca... GtkModelButton: Add a menu-name property
  b55ba1c... Adapt the testpopover example
  c7dc75b... Drop GtkModelButton:has-submenu
  91d486e... GtkModelButton: Drop unused :accel property
  7f0df4d... Improve GtkModelButton
  0918e5a... GtkModelButton: Don't require an explicit role
  328c9c8... Hide the GtkPopoverMenu struct
  b0ac38c... Add a sizegroup to GtkPopoverMenu
  0a3bccf... Add documentation
  5c9abd1... Add a scale to the popover menu example
  0d61956... style nit
  45524e3... Simplify GtkPopoverMenu
  41098a4... Add new API to the docs