upgrade version 1.4

pom.xml

 	<modelVersion>4.0.0</modelVersion>
 	<groupId>com.xxl</groupId>
 	<artifactId>xxl-job</artifactId>
-	<version>1.3.0-SNAPSHOT</version>
+	<version>1.4.0-SNAPSHOT</version>
 	<packaging>pom</packaging>
 	<modules>
 		<module>xxl-job-admin</module>