[gimp] (16 commits) Non-fast-forward update to branch wip/akkana/Light-theme

[Akkana Peck <akkana src gnome org>]

The branch 'wip/akkana/Light-theme' 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:

  b711dab... Light theme: basically working
  07e7871... First attempts to build the Light theme. Doesn't work, in e
  c512011... Fix autotools build for Light theme
  b70812f... Change README to not say the System theme is the only one s
  70d3aab... Lots of fixes to the Light theme.
  ce6758a... Light theme:
  17e7182... Light theme: make scrollbar sliders visible
  b07a2f7... Light theme: background for spinscale, e.g. Opacity in Laye
  2e3fdf8... Light theme: selected text in entries
  2a33482... Light theme: import GIMP system theme first
  0701304... Light theme: remove comment about things that no longer see

Commits added to the branch:

  1806523... Update Swedish translation (*)
  dfb7d25... Issue #8505: WEBP, be more informative with error. (*)
  5c5f593... Update Slovenian translation (*)
  af3d417... Update Slovenian translation (*)
  0b22044... Light theme: basically working
  bdd1e09... First attempts to build the Light theme. Doesn't work, in e
  665843d... Fix autotools build for Light theme
  6e0a18c... Change README to not say the System theme is the only one s
  ec5e56a... Lots of fixes to the Light theme.
  cdf06bd... Light theme:
  46277b3... Light theme: make scrollbar sliders visible
  e8bd073... Light theme: background for spinscale, e.g. Opacity in Laye
  bb11817... Light theme: selected text in entries
  d113abd... Light theme: import GIMP system theme first
  de59e84... Light theme: remove comment about things that no longer see
  07e14c6... Fix a comment that wasn't actually a comment, per Jehan's r

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