Change dir structure and file format of distribution file.

tools.descartes.prisma.agent.wildfly/src/assemble/distribution.xml

@@ -4,10 +4,10 @@
 	xsi:schemaLocation="http://maven.apache.org/plugins/maven-assembly-plugin/assembly/1.1.2 http://maven.apache.org/xsd/assembly-1.1.2.xsd">
 	<id>dist</id>
 	<formats>
-		<format>zip</format>
+		<format>tar.gz</format>
 	</formats>
 
-	<baseDirectory>module</baseDirectory>
+	<includeBaseDirectory>false</includeBaseDirectory>
 	<fileSets>
 		<fileSet>
 			<directory>${project.build.directory}/module</directory>