[vala/wip/gio-2.0] (13 commits) ...gio-2.0 Update SettingsBackend related bindings

[Rico Tzschichholz <ricotz src gnome org>]

Summary of changes:

  0c35fd2... Bump version suffix (*)
  ad9fa2a... tests: Additional test-cases taken from transform-branch (*)
  dadf2b4... Fix type parameter check for overriding generic methods (*)
  5240660... gsl.vapi: Fix attribute typos (*)
  03f8e29... Fix type checking when using generics in combination with s (*)
  909184e... Add CCode finish_vfunc_name to used attrs (*)
  51438dd... rest-0.7: Fix some ownership problems (*)
  e0aa505... clutter-gst-3.0: Fix Playback.audio_streams/subtitle_tracks (*)
  65b9f18... clutter-gst-2.0: Skip VideoTexture.get_audio_streams/get_su (*)
  6e89b7b... tests: Add async generator example to cover an edge case (*)
  5f851eb... vapi: Update GIR-based bindings (*)
  f6a734e... gio-2.0: Use only metadata for IOStream, InputStream, Outpu
  cbfd6b9... gio-2.0 Update SettingsBackend related bindings

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