Added support for the TEXT command to the Java client.

TestScripts/Java Tests/XPlaneConnectTest.java

@@ -217,6 +217,16 @@ public class XPlaneConnectTest
         }
     }
 
+    @Test
+    public void testSendTEXT() throws IOException
+    {
+        String msg = "XPlaneConnect Java message test.";
+        try(XPlaneConnect xpc = new XPlaneConnect())
+        {
+            xpc.sendTEXT(msg, 200, 400);
+        }
+    }
+
     @Test
     public void testSendDREF() throws IOException
     {