This was blatantly insecure.

modules/gui/qt4: add an update dialog box to the help menu. (Patch by Remi Duraffort. Reviewed by jb).

control/media_descriptor.c: Don't forget to release the event manager. (Reported by polo78 on the forum and funman).

add an unspported demux query to remove a useless error. Show the query number when it's unknown (for the future)

activex: fixed registration problems as reported in forums (i.e DllRegisterServer@0 postfix is removed). damn libtool !

Don't store the playlist_t pointer in p_sys since it is always present in any_vlc_object_t->p_libvlc->p_playlist

MacOSX/Framework/VLCMediaList.m: Fix a few warnings and use a Dictionary instead of an array for -mediaListItemAdded: argument.