vout: merged all Microsoft Windows specific vouts under msw directory in order to leverage common event handling

Make it possible to force a distro.mak to use. This is helpfull in cross-compile situations to distinquish for a known target.

* New Lua based playlist demuxer. Code is far from being finished. It currently implements some url translation stuff similar to what videoportals.c does (in share/luaplaylist/test.lua). To test it, run: ./vlc --demux lua "http://www.youtube.com/watch?v=CPRC4glkvq0" --color -v -I dummy. The idea is to make it possible for users to add their own (text) playlist demuxers (including stuff like the video portals URL translation) without needing to recompile VLC.

main_interface: update the systray tooltip

audio_output/output.c: Make sure we are properly locking the fifo lock when appropriate. (please review).

* videoportals.c: Allow using fullscreen youtube URLs and retreive the video's title when possible (still youtube).

FFMPEG's  FOURCC: add NUV codec, Cinepak for fallback and add more fourcc for targa, vixl, divx, SP5x and a few more !

videoportals.c: Add support for google video (this sometimes fails ... the gvp vile referencing an empty url).