Added multicast warning statements to 'How are subscriptions shared?' documentation subject
Added multicast warning statements to 'How are subscriptions shared?' documentation subject

jsmale/MassTransit,D3-LucaPiombino/MassTransit,lahma/MassTransit,lahma/MassTransit,lahma/MassTransit,ccellar/MassTransit,abombss/MassTransit,lahma/MassTransit,abombss/MassTransit,vebin/MassTransit,abombss/MassTransit,petedavis/MassTransit,ccellar/MassTransit,petedavis/MassTransit,vebin/MassTransit,ccellar/MassTransit,lahma/MassTransit,ccellar/MassTransit