Three Channels. Not yet communicating

Comipes, code does seems to do what is expected, but no data recieved
yet.
Branced To Four Nodes
Revert "Working with two units."

This reverts commit 344d7a4a8205faef57e0cafdcd3c3ab34517cd7e.

Conflicts:
Radio.ino
TrafficLights.ino
Revert 1c17273..6d265b8

This rolls back to commit 1c17273aa6d60ca8e2b75ae188d4d72ad18dbc4d.
Merge pull request #1 from finominal/Four-Nodes

Four nodes