Update bcprov-jdk15on to 1.54
Update bcprov-jdk15on to 1.54

Quickly run tested with Firefox Nightly 46 and Chrome 47

Signed-off-by: Etienne CHAMPETIER <9ab2752ef511330cc7c7e4a3c6ccf1c368d285da@gmail.com>

matteocampana/jitsi-videobridge,jitsi/jitsi-videobridge,davidertel/jitsi-videobridge,matteocampana/jitsi-videobridge,gpolitis/jitsi-videobridge,parlaylabs/jitsi-videobridge,gpolitis/jitsi-videobridge,parlaylabs/jitsi-videobridge,jitsi/jitsi-videobridge,jitsi/jitsi-videobridge,gpolitis/jitsi-videobridge,matteocampana/jitsi-videobridge,parlaylabs/jitsi-videobridge,parlaylabs/jitsi-videobridge,davidertel/jitsi-videobridge,davidertel/jitsi-videobridge,jitsi/jitsi-videobridge,jitsi/jitsi-videobridge,jitsi/jitsi-videobridge,jitsi/jitsi-videobridge