[vala] (10 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:

  980b315... girparser: Avoid fatal handling of nameless unions
  56e3613... gtk+-3.0: switch to GIR

Commits added to the branch:

  d8edbd0... gobject-2.0: Pass through vapigen to sort and fully qualify (*)
  17b5438... gobject-2.0: Add some fixes and information from introspect (*)
  fba0858... codegen: Create only one vala-array helper function per arr (*)
  31309c7... codegen: Properly handle DelegateType in get_ccode_lower_ca (*)
  8983406... codegen: Properly handle GenericType in get_ccode_lower_cas (*)
  2751090... codegen: Properly handle PointerType/VoidType in get_ccode_ (*)
  642110c... glib-2.0: Fix DuplicateFunc (*)
  75858b0... gtk+-3.0: Update and further syncing with introspection ann (*)
  04ce59c... girparser: Avoid fatal handling of nameless unions
  6cdc710... gtk+-3.0: switch to GIR

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