Fixed poliqarp layer bug (#52) & replaced log4j with log4j2.

Change-Id: I29e34b51ae71aaf98e59d206d54f8c640824ef2e
diff --git a/src/main/resources/log4j2.properties b/src/main/resources/log4j2.properties
new file mode 100644
index 0000000..39a5bf5
--- /dev/null
+++ b/src/main/resources/log4j2.properties
@@ -0,0 +1,8 @@
+appenders = console
+appender.console.type = Console
+appender.console.name = CONSOLE
+appender.console.layout.type = PatternLayout
+appender.console.layout.pattern = %d{yyyy-MM-dd, HH:mm:ss} %C{6} - %M%n %-5p: %m%n
+
+rootLogger.level = error
+rootLogger.appenderRef.stdout.ref = CONSOLE
\ No newline at end of file