[Wiki] Update Java docs wrt. use of all SubscriptionQos-like classes
[Wiki] Update Java docs wrt. use of all SubscriptionQos-like classes

* SubscriptionQos-like classes now have only default
  constructor and setters

* MulticastSubscriptionQos is used for non-selective broadcasts

Change-Id: I989d136bf884050c86e3ec95e1673a1cc56065d2

bmwcarit/joynr,bmwcarit/joynr,bmwcarit/joynr,bmwcarit/joynr,bmwcarit/joynr,bmwcarit/joynr,bmwcarit/joynr,bmwcarit/joynr,bmwcarit/joynr