[vala] (4 commits) Non-fast-forward update to branch wip/glib-2.32

[Rico Tzschichholz <ricotz src gnome org>]

The branch 'wip/glib-2.32' 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:

  ada81d3... Require and target GLib >= 2.32
  6653c42... glib-2.0: Add Version annotations and more new symbols
  9f8594b... vapi: Regenerate all bindings due Cond/Mutex changes

Commits added to the branch:

  75858b0... gtk+-3.0: Update and further syncing with introspection ann (*)
  d82e250... Require and target GLib >= 2.32
  1c57fd5... glib-2.0: Add Version annotations and more new symbols
  78665bd... vapi: Regenerate all bindings due Cond/Mutex changes

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