Updated Javadoc comments for the subsystems
Minor Javadoc changes to improve the output.
Minor change to make the code appear consistent.
Minor change to make the code appear consistent.
Minor change to make the code appear consistent.

Just correcting a few things across all files.
Added a lock mechanism for the EnabledJoystick object.

This is needed since commands can edit this variable.  Each command is in its own thread, so this results are nondeterministic.  This makes the usage of this variable as deterministic.
Added Javadoc comment blocks.  Every block isn't populated, though.  This will be improved in the future.
Merge pull request #21 from toastertaster/master

Javadoc improvements