do not persist roster at all
do not persist roster at all

lqch14102/lantern,getlantern/lantern-java,getlantern/lantern-java,lqch14102/lantern,lqch14102/lantern,getlantern/lantern-java,lqch14102/lantern,getlantern/lantern-java,getlantern/lantern-java,lqch14102/lantern,lqch14102/lantern,getlantern/lantern-java,getlantern/lantern-java,lqch14102/lantern,getlantern/lantern-java,getlantern/lantern-java,lqch14102/lantern,lqch14102/lantern