Merge pull request #135 from chughts/master

Updated README

Author: chughts

README.md

@@ -4,6 +4,7 @@ Node-RED Watson Nodes for IBM Bluemix
 [![Codacy Badge](https://api.codacy.com/project/badge/Grade/4f98536040924add9da4ca1deecb72b4)](https://www.codacy.com/app/BetaWorks-NodeRED-Watson/node-red-node-watson?utm_source=github.com&utm_medium=referral&utm_content=watson-developer-cloud/node-red-node-watson&utm_campaign=Badge_Grade)
 
 ### New in version 0.4.5
+- New Conversation experimental node.
 - Visual Recognition v3 : added a Delete All Classifiers feature in the util node. Added corresponding Flow in Starter.
 
 ### New in version 0.4.4
@@ -17,13 +18,13 @@ available as part of AlchemyAPI Vision.
 ### New in version 0.4.2
 - The transcription returned for the Speech to Text node now returns full (untruncated) transcription. The
 alternatives are returned in msg.fullresult. The dialog now loads available models dynamically. This will
-allow new speech models to be identified without requiring a further code change. 
-- The Retrieve and Rank node nows stores credentials in a configuration node, allowing the credentials to be 
+allow new speech models to be identified without requiring a further code change.
+- The Retrieve and Rank node nows stores credentials in a configuration node, allowing the credentials to be
 shared acrosss a flow with multiple Retrieve and Rank nodes.
-- New Tone Analyzer V3 node to support the V3 GA API. 
+- New Tone Analyzer V3 node to support the V3 GA API.
 
 ### New in version 0.4.1
-- AlchemyAPI Image Analysis and Language nodes migrated from old Alchemy SDK to current 
+- AlchemyAPI Image Analysis and Language nodes migrated from old Alchemy SDK to current
 Watson Developer Cloud SDK for Node.js
 - The dialog for the Language Translation service now loads available models dynamically. This allows
 new translation models to be identified without requiring a further code change. This version
@@ -35,12 +36,14 @@ A collection of nodes to interact with the IBM Watson services in [IBM Bluemix](
 # Nodes
 
 - Concept Insights
-    - Use concept graphs to tag and explore information and documents. 
+    - Use concept graphs to tag and explore information and documents.
+- Conversation
+    - Add conversational capabilities into applications.
 - Dialog
     - Automate branching conversation between a user and your application.
     - Use natural language to automatically respond to user questions, cross-sell and up-sell, walk users through processes or applications, or even hand-hold users through difficult tasks.
 - Document Conversion
-    - Prepare documents for the Retrieve and Rank service. 
+    - Prepare documents for the Retrieve and Rank service.
 - Feature Extract
     - Analyse a single piece of text content (either public URL, HTML or raw text)
       to extract multiple AlchemyAPI detected features, e.g. entities, keywords,