[gtk] (13 commits) ...Merge branch 'wip/otte/for-master' into 'master'

[Benjamin Otte <otte src gnome org>]

Summary of changes:

  2c84336... testsuite: Make a11y tests use regular windows (*)
  41bdf16... testsuite: Turn all CSS test ui files into regular windows (*)
  ad23ce2... testsuite: Remove popup property from simplify tools (*)
  264967b... widget: Add gtk_widget_get_css_name() API (*)
  fb856d9... builder: Use different construct-only property (*)
  c2bd4bc... testsuite: Replace popups with toplevels (*)
  a278eda... window: Remove type argument from gtk_window_new() (*)
  de49e47... textview: Fix docs typo (*)
  222e6e5... testsuite: Use GtkTextDirection instead of GtkWindowType (*)
  c1f71ee... window: Remove GtkWindowType and window->type (*)
  723b894... testsuite: Stop using gdk_surface_new_temp (*)
  8ef7013... Drop gdk_surface_new_temp (*)
  5f70548... Merge branch 'wip/otte/for-master' into 'master'

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