[gtk] (10 commits) Non-fast-forward update to branch style-context-redux

[Matthias Clasen <matthiasc src gnome org>]

The branch 'style-context-redux' 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:

  57d19ab... filechooser: Stop using gtk_style_context_get

Commits added to the branch:

  185ef21... Update Slovak translation (*)
  d0f6979... Update Friulian translation (*)
  da73394... Update Malay translation (*)
  04beedf... Update Malay translation (*)
  baeadea... calendar: Use widgets for the header (*)
  616a83f... popover: Fix an oversight in gap coord computation (*)
  3940482... Update Brazilian Portuguese translation (*)
  997186f... filechooser: Stop using gtk_style_context_get (*)
  4b63523... gskpango: Don't free rgba's we don't own
  d0aa79b... textutil: Stop using GtkStyleContext

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