Add Elasticsearch appendix links

See gh-408

spring-boot-docs/src/main/asciidoc/appendix-application-properties.adoc

@@ -196,6 +196,11 @@ content into your application; rather pick only the properties that you need.
 	spring.data.solr.host=http://127.0.0.1:8983/solr
 	spring.data.solr.zkHost=
 
+	# ELASTICSEARCH ({sc-spring-boot-autoconfigure}/elasticsearch/ElasticsearchProperties.{sc-ext}[ElasticsearchProperties}])
+	spring.data.elasticsearch.cluster-name= # The cluster name (defaults to elasticsearch)
+	spring.data.elasticsearch.cluster-node= # The address of the server node (if not specified starts a client node)
+	spring.data.elasticsearch.local=true # if local mode should be used with client nodes
+
 	# FLYWAY ({sc-spring-boot-autoconfigure}/flyway/FlywayProperties.{sc-ext}[FlywayProperties])
 	flyway.locations=classpath:db/migrations # locations of migrations scripts
 	flyway.schemas= # schemas to update

spring-boot-docs/src/main/asciidoc/appendix-auto-configuration-classes.adoc

@@ -35,9 +35,15 @@ The following auto-configuration classes are from the `spring-boot-autoconfigure
 |{sc-spring-boot-autoconfigure}/web/DispatcherServletAutoConfiguration.{sc-ext}[DispatcherServletAutoConfiguration]
 |{dc-spring-boot-autoconfigure}/web/DispatcherServletAutoConfiguration.{dc-ext}[javadoc]
 
+|{sc-spring-boot-autoconfigure}/elasticsearch/ElasticsearchAutoConfiguration.{sc-ext}[ElasticsearchAutoConfiguration]
+|{dc-spring-boot-autoconfigure}/elasticsearch/ElasticsearchAutoConfiguration.{dc-ext}[javadoc]
+
 |{sc-spring-boot-autoconfigure}/web/EmbeddedServletContainerAutoConfiguration.{sc-ext}[EmbeddedServletContainerAutoConfiguration]
 |{dc-spring-boot-autoconfigure}/web/EmbeddedServletContainerAutoConfiguration.{dc-ext}[javadoc]
 
+|{sc-spring-boot-autoconfigure}/data/ElasticsearchRepositoriesAutoConfiguration.{sc-ext}[ElasticsearchRepositoriesAutoConfiguration]
+|{dc-spring-boot-autoconfigure}/data/ElasticsearchRepositoriesAutoConfiguration.{dc-ext}[javadoc]
+
 |{sc-spring-boot-autoconfigure}/social/FacebookAutoConfiguration.{sc-ext}[FacebookAutoConfiguration]
 |{dc-spring-boot-autoconfigure}/social/FacebookAutoConfiguration.{dc-ext}[javadoc]