added deprecation notice to old Visual Recognition

Author: chughts

services/visual_recognition/v1.html

@@ -356,7 +356,9 @@
 </script>
 
 <script type="text/x-red" data-help-name="watson-visual-util">
-	<p>A node for managing the classifiers in the Visual Recognition service in Watson</p>
+    <p><b>NB:</b> This node uses the old beta API and it is only being retained for backward compatibility for anyone that has an olde AlchemyAPI key. It will no longer work with new AlchemyAPI keys.</p>
+    <br/>
+    <p>A node for managing the classifiers in the Visual Recognition service in Watson</p>
 	<p>More information about this service can be found in the 
 	<a href='https://www.ibm.com/smarterplanet/us/en/ibmwatson/developercloud/doc/visual-recognition/'>Image Recognition API documentation</a></p>.
 </script>