Change of API (Issue #189) (#210)

* Fixes #189

Hide ROS message wrapper class in API, use simple string or plain JS object as parameter.
Also adding Response class to request callback of service.

Author: kenny-y

docs/Client.html

@@ -83,7 +83,7 @@ <h2><span class="attribs"><span class="type-signature"></span></span>Client<span
 
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="lib_client.js.html">lib/client.js</a>, <a href="lib_client.js.html#line26">line 26</a>
+        <a href="lib_client.js.html">lib/client.js</a>, <a href="lib_client.js.html#line27">line 27</a>
     </li></ul></dd>
 
 
@@ -259,7 +259,7 @@ <h5>Parameters:</h5>
 
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="lib_client.js.html">lib/client.js</a>, <a href="lib_client.js.html#line51">line 51</a>
+        <a href="lib_client.js.html">lib/client.js</a>, <a href="lib_client.js.html#line53">line 53</a>
     </li></ul></dd>
 
 
@@ -328,13 +328,13 @@ <h5>Returns:</h5>
 </div>
 
 <nav>
-    <h2><a href="index.html">Home</a></h2><h3>Modules</h3><ul><li><a href="module-rclnodejs.html">rclnodejs</a></li><li><a href="module-validator.html">validator</a></li></ul><h3>Classes</h3><ul><li><a href="Client.html">Client</a></li><li><a href="Node.html">Node</a></li><li><a href="Publisher.html">Publisher</a></li><li><a href="QoS.html">QoS</a></li><li><a href="Service.html">Service</a></li><li><a href="Subscription.html">Subscription</a></li><li><a href="Timer.html">Timer</a></li></ul><h3>Global</h3><ul><li><a href="global.html#DurabilityPolicy">DurabilityPolicy</a></li><li><a href="global.html#HistoryPolicy">HistoryPolicy</a></li><li><a href="global.html#ReliabilityPolicy">ReliabilityPolicy</a></li></ul>
+    <h2><a href="index.html">Home</a></h2><h3>Modules</h3><ul><li><a href="module-rclnodejs.html">rclnodejs</a></li><li><a href="module-validator.html">validator</a></li></ul><h3>Classes</h3><ul><li><a href="Client.html">Client</a></li><li><a href="Node.html">Node</a></li><li><a href="Publisher.html">Publisher</a></li><li><a href="QoS.html">QoS</a></li><li><a href="Response.html">Response</a></li><li><a href="Service.html">Service</a></li><li><a href="Subscription.html">Subscription</a></li><li><a href="Timer.html">Timer</a></li></ul><h3>Global</h3><ul><li><a href="global.html#debug">debug</a></li><li><a href="global.html#DurabilityPolicy">DurabilityPolicy</a></li><li><a href="global.html#HistoryPolicy">HistoryPolicy</a></li><li><a href="global.html#ReliabilityPolicy">ReliabilityPolicy</a></li></ul>
 </nav>
 
 <br class="clear">
 
 <footer>
-    Documentation generated by <a href="https://github.com/jsdoc3/jsdoc">JSDoc 3.5.5</a> on Thu Nov 23 2017 11:22:53 GMT+0800 (CST)
+    Documentation generated by <a href="https://github.com/jsdoc3/jsdoc">JSDoc 3.5.2</a> on Thu Nov 30 2017 08:36:54 GMT+0800 (CST)
 </footer>
 
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