Changed the boatType attribute from all around the place from String lit to enum

#story[1274]

src/test/java/seng302/visualiser/map/BoatSailAnimationToggleTest.java

@@ -6,6 +6,7 @@ import static org.junit.Assert.assertTrue;
 import org.junit.Before;
 import org.junit.Test;
 import seng302.model.ClientYacht;
+import seng302.visualiser.fxObjects.assets_3D.BoatMeshType;
 
 /**
  * Created by kre39 on 6/08/17.
@@ -16,7 +17,7 @@ public class BoatSailAnimationToggleTest {
 
     @Before
     public void setup() throws Exception{
-        yacht = new ClientYacht("Yacht", 1, "YACHT", "YAC", "Test Yacht", "NZ");
+        yacht = new ClientYacht(BoatMeshType.DINGHY, 1, "YACHT", "YAC", "Test Yacht", "NZ");
     }
 
     @Test