[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:

  246840b... Add a GtkDragSource object
  76830e4... dnd: Patch up gtk_drag_get_source_widget
  223d499... label: Port to GtkDragSource
  033b519... linkbutton: Port to GtkDragSource
  e54bddc... calendar: Port to GtkDragSource
  454de2d... entry: Port icon dnd to GtkDragSource
  48b3c69... text: Convert to GtkDragSource
  80e0f2e... textbuffer: Add a content provider api
  2e9bc59... textview: Port to GtkDragSource
  7a3d3a0... Add (de)serializers for GdkRGBA
  3e32103... Add a generic callback content provider
  73ec72a... colorbutton: Port to GtkDragSource
  f23340f... colorswatch: Convert to GtkDragSource
  4eb020f... pathbar: Convert to GtkDragSource
  c4afe18... gtk-demo: Convert the clipboard demo to GtkDragSource
  20bcacf... iconbrowser: Port to GtkDragSource
  446f317... Add another callback-based provider
  aa759a6... iconview: Port to GtkDragSource
  93f497e... placessidebar: Port to GtkDragSource
  c7c7dbf... treeview: Port to GtkDragSource
  5fffa3f... filechooser: Port to GtkDragSource
  7ec7c11... notebook: Port to GtkDragSource
  79e645d... tests: Convert to GtkDragSource
  d23fd85... Remove traditional drag source API
  c50f773... docs: Mention DND in the migration guide
  ebe185f... Move the rest of the drag-source api over
  824cade... Hook up the GtkDragSource docs

Commits added to the branch:

  3ce4618... marshalers: Add another
  fe3ede3... docs: Add content format api
  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
  3f9ddbb... Add (de)serializers for GdkRGBA
  b9566ee... Add a generic callback content provider
  316fa52... colorbutton: Port to GtkDragSource
  bbcfd36... colorswatch: Convert to GtkDragSource
  63ba440... pathbar: Convert to GtkDragSource
  738d897... gtk-demo: Convert the clipboard demo to GtkDragSource
  b0e06b2... iconbrowser: Port to GtkDragSource
  06a50b6... Add another callback-based provider
  ded9fb2... iconview: Port to GtkDragSource
  697eb60... placessidebar: Port to GtkDragSource
  1d19582... treeview: Port to GtkDragSource
  0e837c2... filechooser: Port to GtkDragSource
  23f4454... notebook: Port to GtkDragSource
  f234190... tests: Convert to GtkDragSource
  b03522a... Remove traditional drag source API
  b0b7bec... docs: Mention DND in the migration guide
  0fdfeaa... Move the rest of the drag-source api over
  946a88f... Hook up the GtkDragSource docs