Renamed sharedModel module to racevisionGame - this is intended to be our single module program.

Moved Boat/MockBoat/VisualiserBoat into it.
Moved Polars, polarParser, VMG, and polar exception.
Moved the networking stuff into it.
Moved angle, azimuth, bearing into it.
Moved gpscoordinate into it.
Moved mark/compoundMark into it.
Moved leg into it.
Moved trackpoint into it.

racevisionGame/src/main/java/network/Exceptions/InvalidMessageException.java

@@ -0,0 +1,25 @@
+package network.Exceptions;
+
+/**
+ * Exception which is thrown when a message is read, but it is invalid in some way (CRC is wrong, sync bytes, etc...).
+ */
+public class InvalidMessageException extends Exception
+{
+
+    /**
+     * Ctor.
+     * @param message String message.
+     */
+    public InvalidMessageException(String message) {
+        super(message);
+    }
+
+    /**
+     * Ctor.
+     * @param message String message.
+     * @param cause Cause of the exception.
+     */
+    public InvalidMessageException(String message, Throwable cause) {
+        super(message, cause);
+    }
+}