[gtk] (10 commits) Non-fast-forward update to branch pango2-windows

[Chun-wei Fan <fanchunwei src gnome org>]

The branch 'pango2-windows' 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:

  8a8cf9f... build: Don't try to use pangowin32 in deps
  c3b9938... gdk/win32: WIP Port to Pango2
  5f2bc05... GSK Vulkan: WIP port to Pango2
  093413c... gtkimcontextime.c: Port to Pango2 APIs
  450000a... font features demo: Update for latest pango2 APIs
  a7b6e0c... build: Check HarfBuzz has GDI support built in on Windows

Commits added to the branch:

  a69d39d... fontchooser: Small fixes (*)
  baabb57... font demo: Keep up with api churn (*)
  3a5d161... Add gtk_widget_clear_template() (*)
  a13cfde... fixup clear_template (*)
  f7c4b26... Make a standalone font explorer (*)
  c79b4e2... build: Don't try to use pangowin32 in deps
  644ec3c... gdk/win32: WIP Port to Pango2
  a98c922... GSK Vulkan: WIP port to Pango2
  9f2b683... gtkimcontextime.c: Port to Pango2 APIs
  a44c1a6... build: Check HarfBuzz has GDI support built in on Windows

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