[gtk] (7 commits) Non-fast-forward update to branch wip/otte/widgetfactory-dnd

[Benjamin Otte <otte src gnome org>]

The branch 'wip/otte/widgetfactory-dnd' 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:

  12a6420... contentformats: Add gdk_content_formats_parse()
  e6ba9f3... builder: Add support for GdkContentFormats
  5a9f320... droptarget: Make formats construct-only writable
  308e52b... widget-factory: Add images that support dnd
  aea41a7... widget-factory: Some new backgrounds
  9512f4b... widget-factory: Use different images for dnd
  1c54a6d... contentformats: Add gdk_content_formats_parse()
  4c0c1a3... xxx content format parsing
  472d301... testsuite: Add contentformat tests

Commits added to the branch:

  131be5f... contentformats: Add gdk_content_formats_parse()
  caa515c... builder: Add support for GdkContentFormats
  56cfd5d... droptarget: Make formats construct-only writable
  bb87cff... widget-factory: Add images that support dnd
  192c341... widget-factory: Some new backgrounds
  0b0ee35... widget-factory: Use different images for dnd
  ccbdc1b... testsuite: Add contentformat tests