Refactored BoatLocation message, encoders, decoders. It now exposes datatypes that we actually use in the program (double knots, bearings, etc..), instead of the bits-on-the-wire packed units (like int mmPerSec). Also documented it, and updated test.

issue #35 #36
#story[1095]

racevisionGame/src/main/java/network/Utils/AC35UnitConverter.java

@@ -24,7 +24,7 @@ public class AC35UnitConverter {
      * @return The packed value.
      */
     public static int packGPS(double value) {
-        return (int) (value * 2147483648.0/180.0);//2^31 = 2147483648
+        return (int) (value * 2147483648.0 / 180.0);//2^31 = 2147483648
     }