Add redirection feature for plugins

Change-Id: I492eb833577aaed6b36d540dae30ead0e8dd6839
diff --git a/dev/demo/plugin-client.html b/dev/demo/plugin-client.html
index 44333f8..08e6034 100644
--- a/dev/demo/plugin-client.html
+++ b/dev/demo/plugin-client.html
@@ -51,11 +51,31 @@
           }
         };
       };
+
+      function redirect() {
+
+        KorAPlugin.requestMsg({
+          "action":"get",
+          "key": 'QueryParam'
+        }, function (d) {
+
+          const par = d.value.param;
+          par.set("q",56);
+          
+          KorAPlugin.sendMsg({
+            'action':'redirect',
+            'queryParam' : par.toString()
+          })
+        });
+        
+      }
+      
       </script>
     <ul>
       <li><a onclick="KorAPlugin.log(333, 'Huhu!')">Send log!</a></li>
       <li><a onclick="KorAPlugin.resize()">Resize</a></li>
       <li><a onclick="KorAPlugin.sendMsg({'action':'pipe','service':'Glemm'})">Add Glemm</a></li>
+      <li><a onclick="redirect()">Redirect</a></li>
       <li><a onclick="flood()">Flood!</a></li>
       <li><a onclick="KorAPlugin.requestMsg({'action':'get', 'key':'KQ'}, function (d) { document.write(JSON.stringify(d.value))})">Get KQ</a></li>
     </ul>