[vala] (8 commits) ...bzlib: Add bzalloc/bzfree fields to Stream

[Rico Tzschichholz <ricotz src gnome org>]

Summary of changes:

  e9214a7... vala: Support anonymous definitions of delegates in binding (*)
  9b3eedb... codegen: Handle property initializers of non-gobject classe (*)
  650415b... codegen: Keep arrays alive during async server method calls (*)
  97fb77e... glib-2.0: Mark str parameter of Variant.take_string() as ow (*)
  6f1d094... codegen: Don't apply ref_sink_function if target_type is fl (*)
  d6be549... vala: Treat floating method-return-type as nullable if erro (*)
  eca6183... json-glib-1.0: Mark return-type of gvariant_deserialize*()  (*)
  c3621d0... bzlib: Add bzalloc/bzfree fields to Stream (*)

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