Fix to have TaxonomyTypeAdapter's write() method produce output that's also accepted by its read() method. (#230)

Author: webdevelopersdiary

src/main/java/com/ibm/watson/developer_cloud/alchemy/v1/util/TaxonomyTypeAdapter.java

@@ -78,8 +78,8 @@ public void write(JsonWriter writer, Taxonomy value) throws IOException {
 
     if (value.getScore() != null)
       writer.name("score").value(value.getScore());
-    if (value.getConfident() != null)
-      writer.name("confident").value(value.getConfident());
+    if (value.getConfident() == false)
+      writer.name("confident").value("no");
     if (value.getLabel() != null)
       writer.name("label").value(value.getLabel());