Add parameters for RemoteApp.

guacamole/src/main/resources/net/sourceforge/guacamole/net/protocols/rdp.xml

@@ -43,4 +43,8 @@
     <param name="disable-auth" type="boolean" title="Disable authentication" value="true"/>
     <param name="ignore-cert" type="boolean" title="Ignore server certificate" value="true"/>
     
+    <param name="remote-app" type="text" title="RemoteApp program"/>
+    <param name="remote-app-dir" type="text" title="RemoteApp working directory"/>
+    <param name="remote-app-args" type="text" title="RemoteApp parameters"/>
+
 </protocol>