[gtk] (13 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:

  cc9a0c7... gl renderer: Support scaleX/Y better when rendering radial 
  588b089... gl renderer: Don't use ops_get_scale() when rendering clip 
  a456b98... gl renderer: Use scale_x/y when rendering clipped nodes
  67e3db9... gl renderer: Only return error if creating programs failed
  bb5ded5... textbuffer: Don't try to inset NULL text from clipboard
  627883a... gl renderer: Fall back to cairo if gradients use too many s
  3ec84cc... gl renderer: Lower maximum gradient stop count

Commits added to the branch:

  f98055b... Adwaita: Fix separator color for lists (*)
  42be26f... Adwaita: Improve columnview styling (*)
  2d6a999... Adwaita: Don't restrict columnview editablelabel style to . (*)
  5e4180b... Merge branch 'improve-columnview-styling' into 'master' (*)
  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

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