[gtk] (13 commits) Non-fast-forward update to branch dnd-gestures

[Matthias Clasen <matthiasc src gnome org>]

The branch 'dnd-gestures' 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:

  964ef77... gtk-demo: Convert the clipboard demo to GtkDragSource
  b56b839... iconbrowser: Port to GtkDragSource
  6f19ec5... Add another callback-based provider
  bf3a9db... iconview: Port to GtkDragSource
  c4c7149... placessidebar: Port to GtkDragSource
  fdc8fbc... treeview: Port to GtkDragSource
  6fffd74... filechooser: Port to GtkDragSource
  de0d26c... notebook: Port to GtkDragSource
  0881578... tests: Convert to GtkDragSource
  5708761... Remove traditional drag source API
  004897f... docs: Mention DND in the migration guide
  3409005... Move the rest of the drag-source api over
  5796bed... Hook up the GtkDragSource docs

Commits added to the branch:

  c618a12... gtk-demo: Convert the clipboard demo to GtkDragSource
  50dbe49... iconbrowser: Port to GtkDragSource
  6172360... Add another callback-based provider
  c689a72... iconview: Port to GtkDragSource
  8bc797d... placessidebar: Port to GtkDragSource
  9b5936a... treeview: Port to GtkDragSource
  e9d568a... filechooser: Port to GtkDragSource
  b886005... notebook: Port to GtkDragSource
  1af5e65... tests: Convert to GtkDragSource
  e8ad489... Remove traditional drag source API
  e5e8d25... docs: Mention DND in the migration guide
  5c174cc... Move the rest of the drag-source api over
  7824d8b... Hook up the GtkDragSource docs