[vala] (21 commits) Non-fast-forward update to branch wip/gtask

[Rico Tzschichholz <ricotz src gnome org>]

The branch 'wip/gtask' 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:

  9bf7d50... codegen: Use GTask instead of GSimpleAsyncResult if 2.36 ta
  18a5293... async: NULL check for cancelled GTasks
  de91deb... codegen: Force sync behavior of GTasks
  3802cff... ONLY FOR TESTING - Require and target glib >= 2.36

Commits added to the branch:

  92d6204... girparser: More complete parsing of field information (*)
  77dabfb... Regenerate for GIR-based bindings including array-related m (*)
  6e7eaf4... girparser: Use type_id information from gir if not already  (*)
  cd3ed2a... Regenerate GIR-based bindings (*)
  f1ddd5a... valaparser: Allow casts of pointer expressions without encl (*)
  ad87c4e... codegen: Support deprecating properties and their accessors (*)
  88e5aab... ccode: Add missing newline after gnuc deprecations attribut (*)
  a18ad0f... girparser: Avoid fatal handling of nameless unions (*)
  aa8a394... vapi: Update GIR-based bindings (*)
  c80be97... gio-unix-2.0: Fix "g_unix_mount_at" binding (*)
  8b5e415... gio-unix-2.0: Add "g_unix_mounts_for" binding (*)
  ab31efd... glib-2.0: Add "g_utf8_make_valid" binding (*)
  b18a779... glib-2.0: Some nullable arguments in GLib.Test.* (*)
  f52b484... gdk-pixbuf-2.0: Use metadata instead of custom defintions f (*)
  4194269... vapi: Add missing type parameters for delegates (*)
  d274caa... Add explicit copy method for arrays (*)
  f0e7f48... gdk-3.0: Update to 3.22.1+a1115c05 (*)
  98b3f91... codegen: Use GTask instead of GSimpleAsyncResult if 2.36 ta
  5166a46... async: NULL check for cancelled GTasks
  7104611... codegen: Force sync behavior of GTasks
  e44c399... ONLY FOR TESTING - Require and target glib >= 2.36

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