This requires one more thread :( but at least people won't report bug
about VLC leaving a defunct child process... Even though I doubt it
would have been a real problem.

Fix 9a00da44

LUA http is bugggy and polls the system every second.

LUA RC is buggy and polls the system every second.

Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

This reverts commit de56dfd5.

Also support multiple meta data, and the "filename" meta data as well.

meta: Make vlc_meta_t an opaque structure and move a bunch of static inline function to their private .c files.

This makes insertion/deletion faster, and saves a lot of code

This reverts commit 714d6155.

Conflicts:

	compat/tdestroy.c
	include/vlc_fixups.h

This patch fixes the following :
   - skins are now sorted alphabetically (Linux issue only)
   - the current skins is checked in list (instead of the first skins in list)