- MetaAnnotationUtils.AnnotationDescriptor now provides access to the
  root declaring class as well as the declaring class.
- ContextLoaderUtils now retrieves AnnotationAttributes from
  AnnotationDescriptor to look up annotation attributes for
  @ContextConfiguration and @ActiveProfiles.
- TestContextManager now retrieves AnnotationAttributes from
  AnnotationDescriptor to look up annotation attributes for
  @TestExecutionListeners.