Initial refactor of the parseCommand method.
Fix indentation and make the arguments passable in parseCommand, and clean up setMotd.
Clean up the registerDevice method.
Remove mutation in listUsers by swapping a for loop for a stream.
Merge pull request #4 from budstein/master

parseCommand has been refactored into clientService methods, there has also been a change in the way commands get split on whitespace.

Additional Comments: "Fantastic"