Update erltrek_event.erl

* Add win/lose condition decision code in monitoring_game/1
Update erltrek_klingon.erl

* Add actual_move/1 a case expression to detect when the specified Klingon ship cannot move

* Fix comments from Enterprise to Klingon in actual_move/1
Update erltrek_event.erl

* Change calling erltrek_game:lose/1 to erltrek_game:lost/1 from monitoring_game/1
Update erltrek_game.erl

* Change name of lose/1 to lost/1, and the event message to gen_server:cast/3 as well