rtt_dynamic_reconfigure: implemented dynamic_reconfigure server service
rtt_dynamic_reconfigure: added advertise() and shutdown() operations and not advertise immediately
rtt_dynamic_reconfigure_tests: added unit tests for rtt_dynamic_reconfigure
rtt_dynamic_reconfigure: use a special DataSource implementation for AutoConfig
rtt_dynamic_reconfigure_tests: updated AutoConfig test
rtt_dynamic_reconfigure: added shared_ptr typedef in class Server<ConfigType>
rtt_dynamic_reconfigure: fixed stupid shared_ptr error in class AutoConfig and invalid reference in AutoConfig::buildGroupDescription()