Fix Javadoc.

Fix invalid links. Replace Javadoc links to JSR-305 with code annotations.

Replace self-enclosing tags with simple ones.

See #2423

src/main/java/org/springframework/data/annotation/PersistenceConstructor.java

@@ -21,7 +21,7 @@ import java.lang.annotation.RetentionPolicy;
 import java.lang.annotation.Target;
 
 /**
- * @author Jon Brisbin <jbrisbin@vmware.com>
+ * @author Jon Brisbin
  */
 @Retention(RetentionPolicy.RUNTIME)
 @Target(ElementType.CONSTRUCTOR)