es 2.4.6 support

Author: shi-yuan

.travis.yml

@@ -9,7 +9,7 @@ install:
 
 
 script:
-  - wget https://download.elasticsearch.org/elasticsearch/release/org/elasticsearch/distribution/deb/elasticsearch/2.4.5/elasticsearch-2.4.5.deb && sudo dpkg -i --force-confnew elasticsearch-2.4.5.deb
+  - wget https://download.elasticsearch.org/elasticsearch/release/org/elasticsearch/distribution/deb/elasticsearch/2.4.6/elasticsearch-2.4.6.deb && sudo dpkg -i --force-confnew elasticsearch-2.4.6.deb
   - sudo cp ./src/test/resources/elasticsearch.yml /etc/elasticsearch/elasticsearch.yml
   - sudo cat /etc/elasticsearch/elasticsearch.yml
   - sudo /usr/share/elasticsearch/bin/plugin install delete-by-query

pom.xml

@@ -3,7 +3,7 @@
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>org.nlpcn</groupId>
 	<artifactId>elasticsearch-sql</artifactId>
-	<version>2.4.5.0</version>
+	<version>2.4.6.0</version>
 	<packaging>jar</packaging>
 	<description>Query elasticsearch using SQL</description>
 	<name>elasticsearch-sql</name>
@@ -47,7 +47,7 @@
 		<elasticsearch.plugin.name>sql</elasticsearch.plugin.name>
 		<elasticsearch.plugin.site>true</elasticsearch.plugin.site>
 		<elasticsearch.plugin.jvm>true</elasticsearch.plugin.jvm>
-		<elasticsearch.version>2.4.5</elasticsearch.version>
+		<elasticsearch.version>2.4.6</elasticsearch.version>
 		<elasticsearch.plugin.classname>org.elasticsearch.plugin.nlpcn.SqlPlug</elasticsearch.plugin.classname>
 	</properties>