Cleanup() Remove Unused Imports in SmartPark
Removed some unused imports.
Cleanup()
removed and added some comments in Handler class for the server.
Minor Cleanup in Server
Added TestClient to trash
Removed TestClient from Server Project since this code is no longer
needed. 

This is moved to Trash in Android project package and will be removed on
inspection later.
Removed some uneeded debugging and some minor cleanups.