[SM-1002]Use SLF4J instead of Java standard logging for CXF in SMX

git-svn-id: https://svn.apache.org/repos/asf/servicemix/smx4/features/trunk@1210838 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/assemblies/shared/src/main/resources/etc/system.properties b/assemblies/shared/src/main/resources/etc/system.properties
index 69e4bfd..d4e2775 100644
--- a/assemblies/shared/src/main/resources/etc/system.properties
+++ b/assemblies/shared/src/main/resources/etc/system.properties
@@ -113,3 +113,8 @@
 
 javax.xml.parsers.DocumentBuilderFactory=org.apache.xerces.jaxp.DocumentBuilderFactoryImpl
 javax.xml.transform.TransformerFactory=org.apache.xalan.processor.TransformerFactoryImpl
+
+#
+# CXF Log configuration
+#
+org.apache.cxf.Logger=org.apache.cxf.common.logging.Slf4jLogger