[vala] (5 commits) Non-fast-forward update to branch wip/error-gtype

[Rico Tzschichholz <ricotz src gnome org>]

The branch 'wip/error-gtype' 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:

  d45ca12... glib-2.0: Add type_id of GLib.Error
  e42aec3... codegen: Default to "has_type_id = false" for external erro
  54379ba... codegen: Emit GType definition for error domains
  ee6ba7e... girparser: Pick up type_id of error domains
  0eb1423... vapi: Regenerate GIR-based bindings to pick up type_id of e
  d9c06f7... WIP
  a142133... Update tests

Commits added to the branch:

  1f4ae3f... glib-2.0: Add type_id of GLib.Error
  a153000... codegen: Default to "has_type_id = false" for external erro
  da4ff03... codegen: Emit GType definition for error domains
  147cf8a... girparser: Pick up type_id of error domains
  d5a1678... vapi: Regenerate GIR-based bindings to pick up type_id of e