Add empty role as first on event edit default role selection

code/MoyaWeb/WebContent/eventorg/editEvent.xhtml

@@ -42,6 +42,7 @@
 
 					<h:outputLabel for="defaultrole" value="#{i18n['event.defaultRole']}:" />
 					<h:selectOneMenu id="defaultrole" converter="#{roleConverter}" value="#{eventorgView.event.defaultRole}">
+						<f:selectItem itemLabel="---" /> 
 						<f:selectItems var="role" itemLabel="#{role.name}" value="#{eventorgView.event.roles}" />
 					</h:selectOneMenu>
 					<h:message for="defaultrole" />
@@ -131,10 +132,10 @@
 					<h:outputLabel rendered="#{eventPropertyView.property.key.boolean}" for="booleanval" value="#{i18n['lanEventProperty.booleanValue']}" />
 					<h:selectBooleanCheckbox rendered="#{eventPropertyView.property.key.boolean}" id="booleanval" value="#{eventPropertyView.property.booleanValue}" />
 					<h:message rendered="#{eventPropertyView.property.key.boolean}" for="booleanval" />
-					
+
 					<h:outputLabel rendered="#{eventPropertyView.property.key.long}" for="longval" value="#{i18n['lanEventProperty.longValue']}" />
-					<h:inputText rendered="#{eventPropertyView.property.key.long}" id="longval" value="#{eventPropertyView.property.longValue}"  >
-						<f:convertNumber type="number" /> 
+					<h:inputText rendered="#{eventPropertyView.property.key.long}" id="longval" value="#{eventPropertyView.property.longValue}">
+						<f:convertNumber type="number" />
 					</h:inputText>
 					<h:message rendered="#{eventPropertyView.property.key.long}" for="longval" />