Backport all patches to git master for various fixes inc (#1809717)

0021-cogl-Add-main-header-for-Cogl.patch

@@ -0,0 +1,27 @@
+From df332551623629eb5373bdc7a8fa125a128c4351 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Corentin=20No=C3=ABl?= <corentin@elementary.io>
+Date: Mon, 2 Mar 2020 12:15:57 +0100
+Subject: [PATCH 21/48] cogl: Add main header for Cogl
+
+This allows bindings linking to the C header to actually have the right one.
+
+https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1101
+---
+ cogl/cogl/meson.build | 1 +
+ 1 file changed, 1 insertion(+)
+
+diff --git a/cogl/cogl/meson.build b/cogl/cogl/meson.build
+index 0297a2485..be93ba2f9 100644
+--- a/cogl/cogl/meson.build
++++ b/cogl/cogl/meson.build
+@@ -478,6 +478,7 @@ if have_introspection
+       '-D__COGL_GLX_H_INSIDE__',
+       '-DCOGL_GIR_SCANNING',
+     ],
++    header: 'cogl/cogl.h',
+     install_dir_gir: pkglibdir,
+     install_dir_typelib: pkglibdir,
+     install: true
+-- 
+2.26.0.rc2
+