[gnome-shell] (6 commits) Non-fast-forward update to branch wip/carlosg/pango-alpha

[Carlos Garnacho <carlosg src gnome org>]

The branch 'wip/carlosg/pango-alpha' 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:

  2c61b31... st: Forward CSS foreground alpha as a PangoAttribute to tex

Commits added to the branch:

  48b0a91... blur-effect: Fix alignment of function arguments (*)
  e5b7462... blur-effect: Don't check whether effect is enabled when pai (*)
  dedbf0c... blur-effect: Fix framebuffer sizes when stage-view scaling  (*)
  4783d76... blur-effect: Properly clear background framebuffer (*)
  91748ae... blur-effect: Handle failure of background blitting graceful (*)
  908fe1a... st: Forward CSS foreground alpha as a PangoAttribute to tex

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