do not repeatedly ask for mode on launch on Linux
do not repeatedly ask for mode on launch on Linux

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