[MULTICLOUD] Artifactbroker logs to STDOUT

Add <appender-ref ref="STDOUT" /> to root level.

Issue-ID: OOM-2514
Signed-off-by: Dominik Mizyn <d.mizyn@samsung.com>
Change-Id: Ib878b13cdbf1473c28efe532003c524c7f5f2030
diff --git a/artifactbroker/packages/src/main/resources/etc/logback.xml b/artifactbroker/packages/src/main/resources/etc/logback.xml
index e2d4869..1567a9c 100644
--- a/artifactbroker/packages/src/main/resources/etc/logback.xml
+++ b/artifactbroker/packages/src/main/resources/etc/logback.xml
@@ -242,6 +242,7 @@
   
   
   <root level="INFO">
+        <appender-ref ref="STDOUT" />
         <appender-ref ref="asyncEELFDebug" />
         <appender-ref ref="asyncEELFError" />
   </root>