[gtk+] (17 commits) Non-fast-forward update to branch wip/baedert/drawing

[Timm Bäder <baedert src gnome org>]

The branch 'wip/baedert/drawing' 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:

  e6f714a... paned: Remove gadget
  d19881a... frame: Fix copy&paste bug in shadow-type handling
  38b3448... label: Don't chain up in size_allocate
  bbb7071... widget: Don't set the allocation in size-allocate
  a8c8b21... gtkscale: Properly initialize the clip
  029f86d... button: Remove gadget
  bcdee49... Slightly rework clip handling
  5ec4f36... stack: Remove gadget
  f0833eb... buttonbox: Remove gadget
  868b168... widget: Add private get_margin_allocation
  b49c21a... scale: Fix value position
  ccccd2d... cellview: Remove gadget
  7e648ba... revealer: Don't add a clip node for CROSSFADE transitions
  a4fcff2... revealer: Stop calculating paddings ourselves
  156908c... Remove calls to gtk_widget_set_allocation
  8b6f314... widget: Remove gtk_widget_set_allocation

Commits added to the branch:

  64754a8... paned: Remove gadget
  ee12309... frame: Fix copy&paste bug in shadow-type handling
  a75bac7... label: Don't chain up in size_allocate
  95db578... widget: Don't set the allocation in size-allocate
  6575beb... gtkscale: Properly initialize the clip
  f74826e... button: Remove gadget
  6fb4363... Slightly rework clip handling
  bfb7f31... stack: Remove gadget
  8c0698c... buttonbox: Remove gadget
  d0c31d6... widget: Add private get_margin_allocation
  af6ad24... scale: Fix value position
  8eb6c6e... cellview: Remove gadget
  d39ed16... revealer: Don't add a clip node for CROSSFADE transitions
  410cae4... revealer: Stop calculating paddings ourselves
  e240e69... Remove calls to gtk_widget_set_allocation
  85b762f... widget: Remove gtk_widget_set_allocation
  60c24a7... range: Remove gadget completely