Refactored the transport to allow better reuse of the functionality that provides for multiple Nodes running within a single Dempsy instance.
Remove unused and untested functionality from the DempsyExecutor and the DefaultDempsyExecutor imlpementation.
[squash] into tcp refactor.
[squash] into tcp refactor.
Small performance optimization in the Router.
Move the 0mq work into the Dempsy-addons project.