update es to 6.2.4 (#545)

README.md

@@ -3,15 +3,15 @@ IK Analysis for Elasticsearch
 
 The IK Analysis plugin integrates Lucene IK analyzer (http://code.google.com/p/ik-analyzer/) into elasticsearch, support customized dictionary.
 
-Analyzer: `ik_smart` , `ik_max_word` , Tokenizer: `ik_smart` , `ik_max_word` 
+Analyzer: `ik_smart` , `ik_max_word` , Tokenizer: `ik_smart` , `ik_max_word`
 
 Versions
 --------
 
 IK version | ES version
 -----------|-----------
 master | 6.x -> master
-6.2.3| 6.2.3
+6.2.4| 6.2.4
 6.1.3| 6.1.3
 5.6.8| 5.6.8
 5.5.3| 5.5.3
@@ -35,7 +35,7 @@ Install
 1.download or compile
 
 * optional 1 - download pre-build package from here: https://github.com/medcl/elasticsearch-analysis-ik/releases
- 
+
  unzip plugin to folder `your-es-root/plugins/`
 
 * optional 2 - use elasticsearch-plugin to install ( supported from version v5.5.1 ):
@@ -70,7 +70,7 @@ curl -XPOST http://localhost:9200/index/fulltext/_mapping -H 'Content-Type:appli
  "search_analyzer": "ik_max_word"
  }
  }
- 
+
 }'
 ```
 

pom.xml

@@ -12,7 +12,7 @@
  <inceptionYear>2011</inceptionYear>
 
  <properties>
- <elasticsearch.version>6.2.3</elasticsearch.version>
+ <elasticsearch.version>6.2.4</elasticsearch.version>
  <maven.compiler.target>1.8</maven.compiler.target>
  <elasticsearch.assembly.descriptor>${project.basedir}/src/main/assemblies/plugin.xml</elasticsearch.assembly.descriptor>
  <elasticsearch.plugin.name>analysis-ik</elasticsearch.plugin.name>
@@ -21,7 +21,7 @@
  <tests.rest.load_packaged>false</tests.rest.load_packaged>
  <skip.unit.tests>true</skip.unit.tests>
  <gpg.keyname>4E899B30</gpg.keyname>
- <gpg.useagent>true</gpg.useagent> 
+ <gpg.useagent>true</gpg.useagent>
  </properties>
 
  <licenses>