Added cross references, cleaned the persistence config, added default

tab view for Article and order.

properties/xava.properties

@@ -45,12 +45,12 @@ smtpStartTLSEnable=false
 # This affects only if Java logging is used (usually in Tomcat and WebSphere). 
 # It does not affect log4j configuration (usually in JBoss or if you use log4j in your app).
 # Default value is INFO  
-javaLoggingLevel=FINE
+javaLoggingLevel=WARNING
 
 # LOGGING LEVEL FOR HIBERNATE ENGINE
 # Possibles values are: SEVERE, WARNING, INFO, CONFIG, FINE, FINER, FINEST, ALL, OFF
 # Default value is INFO  
-#hibernateJavaLoggingLevel=FINEST
+hibernateJavaLoggingLevel=WARNING
 
 # help
 #helpAvailable=false