Upgrade VLC to 2.2 via a third-party repository.

Dockerfile

@@ -2,13 +2,14 @@ FROM phusion/passenger-nodejs:0.9.17
 
 # prepare APT with only the repositories we want
 RUN rm /etc/apt/sources.list.d/* &&\
+	add-apt-repository ppa:mc3man/trusty-media -y &&\
 	DEBIAN_FRONTEND=noninteractive curl -sL https://deb.nodesource.com/setup_4.x | bash - &&\
 	DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends \
 		nodejs \
 		blackbox xvfb xdotool \
 		pulseaudio pulseaudio-utils \
-		vlc-nox vlc-data vlc-plugin-pulse \
-		dbus
+		dbus \
+		vlc vlc-plugin-pulse
 
 # initialize DBus
 RUN mkdir -p /var/run/dbus && \