[gtk] (19 commits) Non-fast-forward update to branch wip/baedert/for-master

[Timm Bäder <baedert src gnome org>]

The branch 'wip/baedert/for-master' 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:

  4d7df39... gl renderer: Support scaleX/Y better when rendering radial 
  a691244... gl renderer: Don't use ops_get_scale() when rendering clip 
  bdca369... gl renderer: Use scale_x/y when rendering clipped nodes
  89a453d... gl renderer: Only return error if creating programs failed
  1e34fc2... textbuffer: Don't try to inset NULL text from clipboard
  197b307... gl renderer: Fall back to cairo if gradients use too many s
  a5bd921... gl renderer: Lower maximum gradient stop count
  9c91a3a... Adwaita: Fix calendar header button backdrop bg color
  377feb4... cssimagefallback: Avoid allocating GPtrArray for colors

Commits added to the branch:

  53dddf1... gestures: Make claiming button release work (*)
  78236bf... Adwaita: osd spinbutton specificity bump (*)
  571f15c... Merge branch 'make-claiming-button-release-work' into 'mast (*)
  7bae483... Merge branch 'wip/jimmac/osd-spinbutton' into 'master' (*)
  4325c20... gtktreeview: Fix child access after TEST_EXPAND_ROW (*)
  a364ab1... Update Hungarian translation (*)
  7acbbd6... Update Hungarian translation (*)
  810218b... fontchooser: Don't center the list (*)
  9dab51e... Merge branch 'matthiasc/for-master' into 'master' (*)
  84d2a33... gl renderer: Support scaleX/Y better when rendering radial 
  467be0b... gl renderer: Don't use ops_get_scale() when rendering clip 
  15994db... gl renderer: Use scale_x/y when rendering clipped nodes
  9eaa8bd... gl renderer: Only return error if creating programs failed
  12cc178... textbuffer: Don't try to inset NULL text from clipboard
  8d7b3ba... gl renderer: Fall back to cairo if gradients use too many s
  fd728ea... gl renderer: Lower maximum gradient stop count
  716b5af... Adwaita: Fix calendar header button backdrop bg color
  484dcc0... cssimagefallback: Avoid allocating GPtrArray for colors
  2f93287... cssimagefallback: Whitespace

(*) This commit already existed in another branch; no separate mail sent