[gtk] (17 commits) Non-fast-forward update to branch css-line-height2

[Matthias Clasen <matthiasc src gnome org>]

The branch 'css-line-height2' 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:

  2d93fdd... Cosmetics: Tweak css parser error messages
  b5abe74... Handle the new line height pango attribute
  f273b59... css: Add line-height property
  0e4ba88... css: Translate line-height to a pango attribute
  466345b... textview: Add line-height plumbing
  faf1925... textview: Set line height from css
  0fadaad... Add css parser tests for line-height
  61361b0... Document line-height as supported

Commits added to the branch:

  256f3a0... gtk-demo: Spruce up the hypertext demo (*)
  eb8778e... Update Hebrew translation (*)
  8df694a... Merge branch 'matthiasc/for-master' into 'master' (*)
  4b28e03... Khmer translation: Strip some invisible bytes from setting  (*)
  90c429a... Belarusian translation: Remove broken translation string (*)
  4e1ea58... Cosmetics: Tweak css parser error messages (*)
  54d2956... Merge branch 'matthiasc/for-master' into 'master' (*)
  80e6f1c... ngl: Make current when unrealizing (*)
  ea07bf7... Merge branch 'wip/otte/for-master' into 'master' (*)
  23cd5c7... Handle the new line height pango attribute
  caeb7b4... css: Add line-height property
  f291dfd... css: Translate line-height to a pango attribute
  61e9a64... textview: Add line-height plumbing
  e13b04f... textview: Set line height from css
  1315b6a... Add css parser tests for line-height
  ce30070... Document line-height as supported
  474f199... gtk-demo: Improve markup demo

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