update the release documentation, only supported signatures are v3 signatures (gpg 2.x generates v3 sigs by default, but not gpg 1.x)

(FOSDEM is a great place)

if you need skins, use skins.
if you need skins and something else, use both.

workaround buggy alsa drivers

vlc.c: Attempt to kill VLC again if Ctrl-C is hit again when the abort timeout is ellapsed. It allows to abort VLC after the first abort timeout.

cmake: Add qt4 resources. Enable qt4 plugin compilation with cmake's CVS. (known not to work with cmake version 2.4-patch 7
)

Note that the format supported is the one created by FFmpeg, and not one of those described in the ticket.