playlist/services_discovery.c: Send service discover started and ended events, to keep track of running sd.

* disable any MMX usage in FFmpeg on Darwin 9 (x86). This way, we can use the ffmpeg module normally until Apple releases the updated ld.

control/media_descriptor.c: Publish an Event plus a method to get the media_descriptor state, which is buffering, playing, error, nothing special. This is a bit controversial as we need a media_instance to set that state, and this is media_instance dependant. However, this is a nice shortcut.

Not every body trusts "free.fr", especially not through non-secure HTTP, and/or non-FQDN-only hostnames

Tell the user about --advanced when his help query skipped advanced configuration items.

Use \033[0;1m instead of \033[37;1m for bold text using the default color (prevent using bold white text on terms with a white background).

Qt4 - Background Widget change. Resetting the maximum size at each resize is wrong. Scaling content can be really really ugly.
To be finished.

Make it possible to inherit the m3u-extvlcopt option in the m3u parser.

macosx: remove useless setting as basically no user wants the wizard panel to reset in a single session, but demands it to keep its selections (this was the default behaviour anyway)

(affects HTTP interface and LUA plus HTTP export for DVB and RTP)

modules/video_output/opengllayer.m: Don't free the gl texture in End(), but in the releaseGLContext function. Set the original bounds of the CALayer. Protect the removeFromSuperlayer by a CATransaction.

* Add some proper assert() to the vlc_gc_* function to spot errors.
* Correctly initialize the refcount to 1. (This will prevent freed pointer usage). (This may also introduce leaks in some module).
modules/*.c:
* Prevent some module to leak input_item_t.

contribs: fix libdvdnav runtime on win32 (patch was deleted when switching to mplayer's libdvdnav), extract using gzip