[gnome-shell] (15 commits) Non-fast-forward update to branch gbsneto/blur

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

The branch 'gbsneto/blur' 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:

  f73029b... screenShield: Blur background
  a64f2fa... screenShield: Animate shield using translation_y

Commits added to the branch:

  867cffa... switcherPopup: Fix scrollable check (*)
  47758d1... Include the libcroco sources directly under src/st/croco (*)
  05c3ac2... get_length_internal() - remove unused argument 'suffixed' (*)
  1e8e08c... Simplify if statement (*)
  52f5793... Use get_color_from_term() instead of get_background_color_f (*)
  236bdaa... Handle "color: inherit" directly in get_color_from_term(),  (*)
  582bfe8... cr-rgb: remove handling of "inherit" and "transparent" (*)
  01c0803... Fix always-true condition (*)
  7377650... st: Remove broken parsing of @media rules (*)
  988a0e7... Adapt to painting and picking API change (*)
  632a643... Use paint and pick context to get framebuffer (*)
  8c4d07b... HACKING.md: Update sample code to use paint context (*)
  d0b0577... screenShield: Blur background
  a94ec70... screenShield: Animate shield using translation_y
  2ca086c... fixup! screenShield: Blur background

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