conf: configure ros logger to print in console

Author: SpyrosKou

src/main/resources/log4j2.xml

@@ -7,6 +7,7 @@
     </Appenders>
     <Loggers>
         <Logger name="com.github.rosjava_actionlib" level="ERROR"/>
+        <Logger name="org.ros.internal.node.RosoutLogger" level="TRACE"/>
         <Logger name="org.ros" level="ERROR"/>
         <Root level="INFO">
             <AppenderRef ref="Console"/>