* Changed MS/TP master node self destination checks to be located in receive FSM
* Changed MSTP zero configuration: modified comments for state transition names; modified next station increment; refactored the UUID rand() to not be required by common zero config implementation; added more unit tests.
* Added another context to MS/TP user data to allow additional user data
* Refactored ports/xplained to use common DLMSTP module to enable extended frames
* Added floating point compares in cases where they don't exist in math library