* Enabled x264 contrib

* backport a modified version of [16346] to fix most nib problems. Please note that the error panel doesn't exist yet and that o_msg_panel can't be displayed atm.

Somehow the old modules/demux/livedotcom.cpp get left behind. delete it and run make update-po.  Make distcheck run fine for 0.8.6.

    changes.

  xkeepratio and ykeepratio for skins2 

  [16483],[16485],[16488],[16492],[16493],[16495],[16496],[16503],[16507],[16526],[16536]-[16538],[16545],[16558],[16562]-[16566]

  skipped:
  play-and-exit 16489
  seamonkeyconfig 507
  intermediate state 513,514,515,517,519
  opencv: 533
  mozilla: 516
  dscp
  network rewrites: 546-552,577,578
  duration calculation: 540,541

  To Do:
  - Finish the plugin backports: Quovodis
  - Check skins2 (ipkiss? )
  - Fix the .nibs
  - Check stability

  I advise everyone who has done some work lately, to check their 'own' areas, i might have missed something important.