[gtk] (17 commits) Non-fast-forward update to branch ngl-less-shaders

[Matthias Clasen <matthiasc src gnome org>]

The branch 'ngl-less-shaders' 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:

  2a995ec... ngl: Consistently use gsk_scaled_premultiply
  995871e... ngl: Refactor gsk_ngl_render_job_visit_border_node
  f0d9867... ngl: Some cleanups
  15b1172... ngl: Some more cleanups
  c564063... ngl: Special-case CSS backgrounds
  eee4c06... ngl: Fix the coloring shader on GLES 2.0
  b8993bf... ngl: Improve the gradient shaders
  d573b81... ngl: Improve the coloring shader
  ae260f4... ngl: Small shader improvements
  a855df6... ngl: Don't bother with uniform border nodes
  d6b89ac... ngl: Fix up uniform enums
  d2aa265... ngl: Special-case css backgrounds
  20f0b8c... ngl: Small cleanup

Commits added to the branch:

  0649473... ngl: Fix the coloring shader on GLES 2.0 (*)
  346b29a... Merge branch 'gles-coloring' into 'master' (*)
  52c7fd1... Updated Czech translation (*)
  f34c0f4... Update Polish translation (*)
  e6725aa... Update French translation (*)
  3408240... Update Finnish translation (*)
  721e0f3... ngl: Consistently use gsk_scaled_premultiply
  5f3c271... ngl: Refactor gsk_ngl_render_job_visit_border_node
  1b1583e... ngl: Some cleanups
  86fb3d8... ngl: Some more cleanups
  5e00299... ngl: Improve the gradient shaders
  3478ce1... ngl: Improve the coloring shader
  7b3d450... ngl: Small shader improvements
  e0f074c... ngl: Don't bother with uniform border nodes
  f833b97... ngl: Fix up uniform enums
  1e751fe... ngl: Small cleanup
  7bea2d3... ngl: Special-case css backgrounds

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