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)

This reverts commit d98e43b1.

Sorry for the mess, missed it in the git rebase.

It applies hardware overlay constraints on a RECT.