[gtk] (27 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:

  c27a2d2... Add a GtkDragSource object
  0adacb5... dnd: Patch up gtk_drag_get_source_widget
  ba27f94... label: Port to GtkDragSource
  3160da2... linkbutton: Port to GtkDragSource
  17cb190... calendar: Port to GtkDragSource
  f6144ed... entry: Port icon dnd to GtkDragSource
  a19a046... text: Convert to GtkDragSource
  cfb35e9... textbuffer: Add a content provider api
  e44f1be... textview: Port to GtkDragSource
  f0e4bce... Add (de)serializers for GdkRGBA
  0ad7d01... Add a generic callback content provider
  7333c8e... colorbutton: Port to GtkDragSource
  d35f208... colorswatch: Convert to GtkDragSource
  c0b494a... pathbar: Convert to GtkDragSource
  0da203e... gtk-demo: Convert the clipboard demo to GtkDragSource
  f2e128a... iconbrowser: Port to GtkDragSource
  9f43e86... Add another callback-based provider
  62b5cf1... iconview: Port to GtkDragSource
  6d36e72... placessidebar: Port to GtkDragSource
  4fdad5c... treeview: Port to GtkDragSource
  ab0b576... filechooser: Port to GtkDragSource
  1c9d3e5... notebook: Port to GtkDragSource
  507ed3b... tests: Convert to GtkDragSource
  1cb85f2... Remove traditional drag source API
  51f008e... docs: Mention DND in the migration guide
  5817bb3... Move the rest of the drag-source api over
  ca6805c... Hook up the GtkDragSource docs

Commits added to the branch:

  fb1668f... Add a GtkDragSource object
  a28e6a7... dnd: Patch up gtk_drag_get_source_widget
  f2f3bd9... label: Port to GtkDragSource
  362fb8b... linkbutton: Port to GtkDragSource
  bb441a2... calendar: Port to GtkDragSource
  0f3023c... entry: Port icon dnd to GtkDragSource
  d6698cf... text: Convert to GtkDragSource
  0690da9... textbuffer: Add a content provider api
  543b9f7... textview: Port to GtkDragSource
  cc5ec6e... Add (de)serializers for GdkRGBA
  062fb31... Add a generic callback content provider
  90b8c17... colorbutton: Port to GtkDragSource
  c87fc75... colorswatch: Convert to GtkDragSource
  b4c9758... pathbar: Convert to GtkDragSource
  1a88338... gtk-demo: Convert the clipboard demo to GtkDragSource
  70c4678... iconbrowser: Port to GtkDragSource
  136e180... Add another callback-based provider
  b8ab646... iconview: Port to GtkDragSource
  ef305ae... placessidebar: Port to GtkDragSource
  8eb73be... treeview: Port to GtkDragSource
  0436d0b... filechooser: Port to GtkDragSource
  691c5dc... notebook: Port to GtkDragSource
  8646827... tests: Convert to GtkDragSource
  9a9a9fe... Remove traditional drag source API
  7f33e31... docs: Mention DND in the migration guide
  ebe2958... Move the rest of the drag-source api over
  e9d8131... Hook up the GtkDragSource docs