* Refactored RoutingTable, in order to work on string target
representation.
* RoutingTableAdaptor - provides usable adaptation of RoutingTable
to use with Target object.
* RoutingTableUpdater - implements asynchronous table updates
from the matchmaker.
* Implemented dynamic connections for DealerPublisherDirect
* Use dynamic connections for direct messages
Change-Id: I20a76c3b2e8f9e71ffcc5ac658fbc659ad4c8153