refactor naming to google c++ style guide.
move demo code that is not part of the main build
update comments
add operator overloads in enum.cpp, Makefile

Completed the overload code for the << operator for each of the enums.
start breaking everything up into classes for real

Remov the working code from the main.cpp and move it to DataHeader.cpp and create the DataRow and DataStatistics files as a reminder to complete them. Update the Makefile.