Fix previous commit

demo/app/src/main/java/ro/fortsoft/pf4j/demo/Boot.java

@@ -21,7 +21,6 @@ import java.util.Set;
 import org.apache.commons.lang.StringUtils;
 
 import ro.fortsoft.pf4j.DefaultPluginManager;
-import ro.fortsoft.pf4j.JarPluginManager;
 import ro.fortsoft.pf4j.PluginManager;
 import ro.fortsoft.pf4j.PluginWrapper;
 import ro.fortsoft.pf4j.demo.api.Greeting;
@@ -38,8 +37,7 @@ public class Boot {
         printLogo();
 
         // create the plugin manager
-//        final PluginManager pluginManager = new DefaultPluginManager();
-        final PluginManager pluginManager = new JarPluginManager();
+        final PluginManager pluginManager = new DefaultPluginManager();
 
         // load the plugins
         pluginManager.loadPlugins();

demo/app/src/main/resources/log4j.properties

@@ -5,7 +5,7 @@ log4j.rootLogger=DEBUG, Console
 #
 log4j.logger.ro.fortsoft.pf4j=DEBUG, Console
 # !!! Put the bellow classes on level TRACE when you are in trouble
-log4j.logger.ro.fortsoft.pf4j.PluginClassLoader=DEBUG, Console
+log4j.logger.ro.fortsoft.pf4j.PluginClassLoader=WARN, Console
 log4j.logger.ro.fortsoft.pf4j.AbstractExtensionFinder=DEBUG, Console
 log4j.additivity.ro.fortsoft.pf4j=false
 log4j.additivity.ro.fortsoft.pf4j.PluginClassLoader=false