OO-194: fix the null as map title, and remove span seen in notification e-mail

src/main/java/org/olat/portfolio/manager/EPNotificationsHandler.java

@@ -127,8 +127,7 @@ public class EPNotificationsHandler implements NotificationsHandler {
 		if (amap != null) {
 			sbTitle.append(amap.getTitle());
 			EPFrontendManager epMgr = CoreSpringFactory.getImpl(EPFrontendManager.class);
-			sbTitle.append(" <span class=\"o_ep_notif_owner\">(").append(epMgr.getFirstOwnerAsString(amap));
-			sbTitle.append(")</span> ");
+			sbTitle.append(" (").append(epMgr.getFirstOwnerAsString(amap)).append(")");
 		}
 		return new TitleItem(sbTitle.toString(), "o_EPStructuredMapTemplate_icon");
 	}

src/main/java/org/olat/portfolio/model/structel/StructureElement.hbm.xml

@@ -151,6 +151,7 @@
     </id>
     
     <property name="sourceMapKey" column="fk_map_source_id" type="long"/>
+	<property name="title" column="title" type="string"/>
 
 	<many-to-one name="ownerGroup"
                  column="fk_ownergroup"