Update sidebar

SIDEBAR.md

 
 ### Getting Started Guides
 
-* Handling POST, PUT, and GET requests in REST services
-* Creating self-describing APIs with HATEOAS
-* Securing a REST service with OAuth
 * [Consuming RESTful web services][gs-consuming-rest]
-* Testing RESTful web services
+* [Building a Hypermedia Driven REST Web Service][gs-rest-hateoas]
+* [Consuming RESTful web services on Android][gs-consuming-rest-android]
+* [Consuming XML from a RESTful Web Service on Android][gs-consuming-rest-xml-android]
+* [Building a RESTful web service with Bootstrap Actuators][gs-actuator-service]
 
 [gs-consuming-rest]: /guides/gs/consuming-rest/content
+[gs-consuming-rest-android]: /guides/gs/consuming-rest-android/content
+[gs-rest-hateoas]: /guides/gs/gs-rest-hateoas/content
+[gs-consuming-rest-xml-android]: /guides/gs/consuming-rest-xml-android/content
+[gs-actuator-service]: /guides/gs/actuator-service/content
 
 ### Tutorials