Added a comment
Added StateMachine.hpp:has the the layout for the statemachine and data
structures to describe the different nodes on the track. 

Editted main.cpp: commented out unused code
removed uart3.hpp
Merge remote-tracking branch 'origin/dijkstra.C-branch' into Wireless
Added Dijsktras to the project. Put instructions on how to communicate
with SNAP in StateMachine.hpp
Fixed pod.py to read and write chacters correctly. The code currently
prints "global data" found in pod_func.py once every seconds. This was
used for a test and can be removed by commenting it out using #