AMBARI-2842. Unable to add JOURNALNODE via REST. (odiachenko)

ambari-server/src/main/resources/stacks/HDP/2.0.5/services/HDFS/metainfo.xml

@@ -40,7 +40,11 @@
             <name>HDFS_CLIENT</name>
             <category>CLIENT</category>
         </component>
+        
+        <component>
+            <name>JOURNALNODE</name>
+            <category>SLAVE</category>
+        </component>
     </components>
-
-
+    
 </metainfo>