Diverse modif ds ajout conf

Policy failures:   
Code warning
- failed on resource ConferenceValidator.java. Reason: Class is a raw type. References to generic type Class<T> should be parameterized, line 1
Override reason:   
uhu

YACOSWeb/WebContent/WEB-INF/jsp/addConference4.jsp

@@ -82,7 +82,7 @@ function clearPerson() {
 
 <h2 align="center"><fmt:message key="conference.titleMenu" /></h2>
 
-<form:form commandName="formConference" name="monForm" onsubmit="return submitIfNotEnter(this)">
+<form:form commandName="formConference" name="monForm">
 
 	<fieldset><legend>Criteria</legend>
 	<table class="plain">