fix the font bug scott found
	modified:   ../src/GameClient.java
added ant build script even though still running builds manually for now.
added ability to hold down keys, and built out the key manager
added math helpers for adding angles (constrained within 0-360)
various other small bug fixes
	new file:   ../buildScript/GameClient.xml
	new file:   ../buildScript/jar-in-jar-loader.zip
	modified:   GameClient.java
	new file:   Helpers.java
	new file:   KeyManager.java
	modified:   TrueTypeFont.java