fix bug #64, update version to support es 5.4.0

Author: shi-yuan

pom.xml

@@ -4,7 +4,7 @@
 
 	<groupId>org.ansj</groupId>
 	<artifactId>elasticsearch-analysis-ansj</artifactId>
-	<version>5.3.2.0</version>
+	<version>5.4.0.0</version>
 	<description>elasticsearch analysis by ansj</description>
 	<name>elasticsearch-analysis-ansj</name>
 	<url>http://maven.nlpcn.org</url>
@@ -23,21 +23,21 @@
 		<elasticsearch.plugin.site>true</elasticsearch.plugin.site>
 		<elasticsearch.plugin.jvm>true</elasticsearch.plugin.jvm>
         <elasticsearch.plugin.java.version>1.8</elasticsearch.plugin.java.version>
-		<elasticsearch.version>5.3.2</elasticsearch.version>
+		<elasticsearch.version>5.4.0</elasticsearch.version>
 		<elasticsearch.plugin.classname>org.ansj.elasticsearch.plugin.AnalysisAnsjPlugin</elasticsearch.plugin.classname>
 	</properties>
 
 	<dependencies>
 		<dependency>
 			<groupId>org.ansj</groupId>
 			<artifactId>ansj_seg</artifactId>
-            <version>5.1.1</version>
+            <version>5.1.2</version>
 		</dependency>
 
 		<dependency>
 			<groupId>org.ansj</groupId>
 			<artifactId>ansj_lucene6_plug</artifactId>
-			<version>5.1.1.1</version>
+			<version>5.1.2.0</version>
 		</dependency>
 
 		<dependency>