Added BattleshipClient.java (already in progress)
MouseFireListener:
moved into the BattleshipClient class

FireListener:
moved into the BattleshipClient class

ClientGUI:
removed setFireDelay()
removed callShot()
removed sample code from ClientGUI()
changed constructor to take a MouseFireListener and a FireListener as parameters

OceanDisplay:
changed constructor to take a MouseFireListener as a parameter