Add external links to reference doc and screencast

Links added:

* part of the reference documentation listing mave/gradle coordinates
* screencast published on the Spring blog (creating and deploying a REST
app under 5 minutes)

index.html

@@ -53,7 +53,9 @@ deployment environments.
 * Foundational support for JDBC, JPA, JMS
 * Much more...
 
-All avaible features, modules and their maven/gradle artifact names are described in [the Modules section of the reference documentation](http://docs.spring.io/spring-framework/docs/current/spring-framework-reference/html/overview.html#overview-modules).
+All avaible features and modules are described in [the Modules section of 
+the reference documentation](http://docs.spring.io/spring-framework/docs/current/spring-framework-reference/html/overview.html#overview-modules).
+Their [maven/gradle coordinates are also described there](http://docs.spring.io/spring-framework/docs/current/spring-framework-reference/html/overview.html#dependency-management).
 
 ## Minimum requirements
 
@@ -159,6 +161,9 @@ the `MessagePrinter` is decoupled from the `MessageService` implementation, with
 
 * [Designing and Implementing RESTful Web Services with Spring]({{site.main_site_url}}/guides/tutorials/rest)
 
+### Screencasts
+
+* [How to create a RESTful app in five minutes or less](http://spring.io/blog/2014/11/20/screencast-how-to-create-a-restful-app-in-five-minutes-or-less)
 {% endcapture %}
 
 {% include project_page.html %}