add test code on linux

Author: jiangyy0824

app/build.gradle

@@ -1,6 +1,6 @@
 apply plugin: 'application'
 
-mainClassName = 'org.tron.eventplugin.app.appMain'
+mainClassName = 'org.tron.eventplugin.app.PluginLauncher'
 
 dependencies {
   compile project(':api')

app/src/main/java/org/tron/eventplugin/app/PluginLauncher.java

@@ -34,7 +34,7 @@ public class PluginLauncher {
     private static final Logger logger = LoggerFactory.getLogger(PluginLauncher.class);
 
     public static void main(String[] args) {
-        String path = "/Users/tron/sourcecode/eventplugin/build/plugins/plugin-kafka-1.0.0.zip";
+        String path = "/home/java-tron/plugin-kafka-1.0.0.zip";
 
         File dir = new File(path);
         // create the plugin manager