[gtk] (29 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:

  2385013... marshalers: Add another
  9be0609... docs: Add content format api
  9e9f42b... Add a GtkDragSource object
  0791686... dnd: Patch up gtk_drag_get_source_widget
  76fa04c... label: Port to GtkDragSource
  6fecd19... linkbutton: Port to GtkDragSource
  94b460f... calendar: Port to GtkDragSource
  e1cf66a... entry: Port icon dnd to GtkDragSource
  714b717... text: Convert to GtkDragSource
  db8450c... textbuffer: Add a content provider api
  51201a9... textview: Port to GtkDragSource
  3066c0d... Add (de)serializers for GdkRGBA
  0cc2ade... Add a generic callback content provider
  adc8e9a... colorbutton: Port to GtkDragSource
  3779058... colorswatch: Convert to GtkDragSource
  627688f... pathbar: Convert to GtkDragSource
  c618a12... gtk-demo: Convert the clipboard demo to GtkDragSource
  50dbe49... iconbrowser: Port to GtkDragSource
  6172360... Add another callback-based provider
  9846439... iconview: Port to GtkDragSource
  8135bd9... placessidebar: Port to GtkDragSource
  554ccfc... treeview: Port to GtkDragSource
  5ba6e9c... filechooser: Port to GtkDragSource
  c969d59... notebook: Port to GtkDragSource
  87d1196... tests: Convert to GtkDragSource
  27ea6a4... Remove traditional drag source API
  6e61965... docs: Mention DND in the migration guide
  28c3601... Move the rest of the drag-source api over
  5650d5f... Hook up the GtkDragSource docs

Commits added to the branch:

  a25914e... docs: Add content format api
  fe42150... marshalers: Add another
  a70a9c8... Add a GtkDragSource object
  b0f39ae... dnd: Patch up gtk_drag_get_source_widget
  fcbe090... label: Port to GtkDragSource
  ac2cf1f... linkbutton: Port to GtkDragSource
  e5bb0bf... calendar: Port to GtkDragSource
  f0ca0ae... entry: Port icon dnd to GtkDragSource
  2141547... text: Convert to GtkDragSource
  adb91f5... textbuffer: Add a content provider api
  4160369... textview: Port to GtkDragSource
  1b197a4... Add (de)serializers for GdkRGBA
  eee913f... Add a generic callback content provider
  4266e52... colorbutton: Port to GtkDragSource
  c72c8ae... colorswatch: Convert to GtkDragSource
  29c4c9c... pathbar: Convert to GtkDragSource
  5757058... gtk-demo: Convert the clipboard demo to GtkDragSource
  6dbfbd4... iconbrowser: Port to GtkDragSource
  535e5d9... Add another callback-based provider
  6ba5e14... iconview: Port to GtkDragSource
  fdae8af... placessidebar: Port to GtkDragSource
  8db420d... treeview: Port to GtkDragSource
  56ca642... filechooser: Port to GtkDragSource
  d921b46... notebook: Port to GtkDragSource
  c9c345c... tests: Convert to GtkDragSource
  f5d507c... Remove traditional drag source API
  63cd0fd... docs: Mention DND in the migration guide
  66620e6... Move the rest of the drag-source api over
  9026138... Hook up the GtkDragSource docs