USED LIBRARIES : 
	- slf4j*.jar
		- Simple Logging Facade for Java
		- TODO : replace by log4j
		
	- javassist-3.9.0.GA.jar
		- Needed to resolve "org.hibernate.tuple.entity.PojoEntityTuplizer" error
		- https://forum.hibernate.org/viewtopic.php?f=1&t=998187

	- jta-1.1.jar
		- Java Transaction API
		
	- dom4j-1.6.1.jar
		- dom4j is an easy to use, open source library for working with XML, XPath and XSLT on the Java platform using the Java Collections Framework and with full support for DOM, SAX and JAXP.
		
	- antlr-2.7.6.jar
		- ANother Tool for Language Recognition
		- A framework for constructing recognizers, compilers, and translators from grammatical descriptions

	- asm-1.5.3.jar & cglib-2.2.jar
		- Needs to avoid "java.lang.NoClassDefFoundError: net/sf/cglib/proxy/CallbackFilter"
		- WARNING : ONLY THESES VERSIONS WORKS WITH hibernate-all.jar & hibernate-3.3.2.GA.jar (both needed)

	- hibernate-all.jar needed for junit tests

UNDER WEB-INF/lib :
    - commons-logging-1.1.1.jar
        - Needs to avoid "javax.servlet.ServletException: java.lang.NoClassDefFoundError: org/apache/commons/logging/LogFactory"

	- spring*.jar
		- !!!!! WARNING : THESE LIBRARIES MUST ALSO BE IN THE WEB-INF/lib/ DIRECTORY !!!!!

    - struts.jar
        - Needs to avoid "java.lang.ClassNotFoundException: org.apache.struts.taglib.tiles.InsertTag"

    - ????
        - Needs to avoid "java.lang.NullPointerException, org.apache.struts.util.RequestUtils.pageURL(RequestUtils.java:1596)"