change logging system to slf4j+logback in the root pom; update maven plugins; format xml
change logging system to slf4j+logback in the domain project
change logging system to slf4j+logback in the ejb project; add hibernate-entitymanager dependency (it's needed because we are on hibernate 3.5, maybe it can be removed after upgraded to 4.3)
change logging system to slf4j+logback in the web-services project
change logging system to slf4j+logback in the web project
change logging system to slf4j+logback in the ear project, set the logging dependencies as shared
Migrate log configuration from log4j to logback with the Translator. (http://logback.qos.ch/translator/)
Also fixed the new line issue, added %n to end of the patterns.