Added the Actor and Player classes. Actor is the base class that the player and all enemies + NPCs will inherit. Added a help file for the console. Added a KeyState class for keeping track of the state of the keys.

<VBox opaque='1'>
	<Button name="moveButton" text="Move here" />
	<Button name="talkButton" text="Talk" />
	<Button name="kickButton" text="Kick" />
	<Button name="inspectButton" text="Inspect" />
</VBox>