Clean up JavaDocs by removing references to downstream methods.

Putting in links to downstream methods (Spring Data Commons `PagedResourcesAssembler.addPaginationLinks`) is not advisable.

Resolves #501

Author: gregturn

src/main/java/org/springframework/hateoas/PagedResources.java

@@ -102,7 +102,6 @@ public static <T extends Resource<S>, S> PagedResources<T> wrap(Iterable<S> cont
 	/**
 	 * Returns the Link pointing to the next page (if set).
 	 * 
-	 * @see #addPaginationLinks(Link)
 	 * @return
 	 */
 	@JsonIgnore
@@ -113,7 +112,6 @@ public Link getNextLink() {
 	/**
 	 * Returns the Link pointing to the previous page (if set).
 	 * 
-	 * @see #addPaginationLinks(Link)
 	 * @return
 	 */
 	@JsonIgnore