Some communication code commited.
Corresponding communicators created.

Basic communication implemented.
node <=> pod
pod =>road
pod <=> node
Communicator documentation added. Minor tweaks.
Created some communication confirmation logic.
Communication redesign.
Simple road weight calculation and inform. Other Communication fixes.
First part of path finding communication implemented. EnvironmentCommunicator added. Code polish.
Added pathfinding communication requests.
Converted line endings to unix (LF)
Added communication with graphical display

Environment agent communicates over Socket server to graphical
display...
Line ending converted to unix (LF)