Defined PoC svd-proto draft in form of json examples.

Signed-off-by: Daniel (dmilith) Dettlaff <dmilith@verknowsys.com>
Implemented loading nodes data from JSON file. More in details.

* Implemented parseJSON to read knownNodes.
* Implemented currentNodeUUID() function
* Implemented allKnownNodeUUIDs() function

Signed-off-by: Daniel (dmilith) Dettlaff <dmilith@verknowsys.com>
Improved publisher implementation to be more safe. Also default message call was renamed to perform idle calls

Signed-off-by: Daniel (dmilith) Dettlaff <dmilith@verknowsys.com>
Finished refactor for knownNodes recognition.

Signed-off-by: Daniel (dmilith) Dettlaff <dmilith@verknowsys.com>