jupyter backend; change params and increase kernel spawn timeout to 2 minutes
jupyter backend; change params and increase kernel spawn timeout to 2 minutes

tscholl2/smc,sagemathinc/smc,sagemathinc/smc,sagemathinc/smc,tscholl2/smc,DrXyzzy/smc,DrXyzzy/smc,DrXyzzy/smc,sagemathinc/smc,tscholl2/smc,tscholl2/smc,tscholl2/smc,DrXyzzy/smc