[vala] (5 commits) Non-fast-forward update to branch wip/issue/160

[Rico Tzschichholz <ricotz src gnome org>]

The branch 'wip/issue/160' 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:

  73ed255... vala: Support variadic delegates including params array

Commits added to the branch:

  793e86c... vapi: Update GIR-based bindings (*)
  1a4e31c... gstreamer-rtp-1.0: Fix typo in re-parenting for RTCP symbol (*)
  65301ac... gstreamer-rtp-1.0: Fix some bindings errors (*)
  76343ba... gstreamer-rtp-1.0: Move some static functions to matching p (*)
  463c632... Add support for variadic delegates

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