[gtk/gtk-3-24] (11 commits) ...Merge branch 'msvc-project-improvements' into 'gtk-3-24'

[Luca Bacci <lbacci src gnome org>]

Summary of changes:

  61dd680... win32: Re-organize NMake Makefiles a bit (*)
  caa1c0e... gdk: Split out public headers listing (*)
  74d43de... win32: Support (re-)generating gdkenumtypes.[c|h] (*)
  334333f... Visual Studio projects: Improve generating GDK sources (*)
  67f2740... GDK/build: Rename deprecated_h_sources to gdk_deprecated_h_ (*)
  8eaddde... gtk/build: Split out part of headers listings (*)
  6789ff7... Visual Studio projects: Improve generating libgtk sources (*)
  fc8b70c... config-msvc.mak.in: Record the interface age (*)
  089cccc... Visual Studio: Make gen-gdkversionmacros-h.py generic (*)
  cef3293... Visual Studio projects: Generate versioned sources (*)
  185f82c... Merge branch 'msvc-project-improvements' into 'gtk-3-24'

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