update features list

Author: mustafaiman

README.md

@@ -39,6 +39,9 @@ Hazelcast Node.js client supports the following data structures and features:
 * Hazelcast Native Serialization
 * Distributed Object Listener
 * Lifecycle Service
+* Ringbuffer
+* Reliable Topic
+* SSL connection support (requires enterprise server)
 
 # Installing the Client
 
@@ -74,7 +77,7 @@ HazelcastClient.newHazelcastClient().then(function (hazelcastClient) {
 
 Please see Hazelcast Node.js [code samples](https://github.com/hazelcast/hazelcast-nodejs-client/tree/master/code_samples) for more examples.
 
-You can also refer to Hazelcast Node.js [API Documentation](http://hazelcast.github.io/hazelcast-nodejs-client/api/0.4/docs/).
+You can also refer to Hazelcast Node.js [API Documentation](http://hazelcast.github.io/hazelcast-nodejs-client/api/0.5/docs/).
 
 
 # Development