control/media_instance.c: Send EncouteredError event. Plus detach properly from callback. Plus be don't block when releasing the input thread.

MacOSX/Framework/Example: FlashVideoDownloader, sample app that download a video from YouTube, dailymotion, etc. using VLC's luaplaylist module, and export them to a more readable format. (killer app, imho :), but yet only an code Example. )

Fix the v4l2 "reset all controls" code. Use the extended API when supported and fallback to old api in Control().

If the v4l2 driver supports the extended control api, use it to enumerate all the controls when the ControlReset function is called (it will reset all the controls which aren't in the MPEG class), else fallback to the old api.

Fix hostname reporting on some weirdly configured systems like mine (actually, use short hostname as it should be).
Fix qt4 interface of displaying it in About dialog the same way as wx interface does.

Add v4l2 tuner support. Example command line for Hauppauge PVR 250 to get France 2 (at ECP) and encode as MPEG2: ./vlc -I dummy -vvv 'v4l2c://:audio-method=0:controls-reset:set-ctrls={video_bitrate_mode=1,video_bitrate=4000000,video_peak_bitrate=4000000}:width=720:height=576:tuner=0:tuner-frequency=478550'

format audio. 

be more strict when testing for packet types

opengl-vout-osx: remove 2 incorrect checks (assuming that 10.3.9 == __ppc__ is _no_ good idea) and fixed a couple of compilation warnings