Given that Spring Boot uses java config accross the board, a new `value`
attribute is now aliased to the existing `classes` attribute such that
one could write the following:
@SpringApplicationConfiguration(MyConfig.class)
public class MyTest {}
Closes gh-3635
- upgraded Spring WS to 2.2.0.RELEASE
- replaced default MVC DispatcherServlet with MessageDispatcherServlet
- migrated XML based config with nww Spring WS Java config
Fixes: gh-412