[vala] (13 commits) Non-fast-forward update to branch wip/gtkgir

[Rico Tzschichholz <ricotz src gnome org>]

The branch 'wip/gtkgir' 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:

  b6cfb53... girparser: Avoid fatal handling of nameless unions
  5f192cf... gtk+-3.0: Switch to GIR
  d44b473... WIP

Commits added to the branch:

  319d1d7... gstreamer-controller-1.0: Rename DirectControlBinding.new_a (*)
  b668e19... gstreamer: Skip private padding fields (*)
  10d8068... girparser: Respect "zero-terminated" annotation for fields (*)
  1b5e7a2... girparser: Respect "fixed-size" of arrays (*)
  1efb947... Regenerate GIR-based bindings (*)
  99de312... vapi: Update GIR-based bindings (*)
  bbd2a1b... valaparser: Warn about "static const" declarations where "s (*)
  4d0bf91... tests: Fix "static const" warning (*)
  3a25139... vapi: Fix "static consts" warnings (*)
  e152b1d... genie: Warn about "const static" declarations where "static (*)
  ba0e750... gtk+-3.0: Update to 3.21.2+32a37351 (*)
  bd68c72... girparser: Avoid fatal handling of nameless unions
  a40bb7d... gtk+-3.0: Switch to GIR

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