major improvement in the way data is stored

src/main/java/com/commafeed/backend/dao/GenericDAO.java

@@ -1,6 +1,7 @@
 package com.commafeed.backend.dao;
 
 import java.io.Serializable;
+import java.util.Arrays;
 import java.util.List;
 
 import javax.annotation.PostConstruct;
@@ -37,12 +38,16 @@ public abstract class GenericDAO<T extends AbstractModel> implements
 		em.persist(object);
 	}
 
-	public void update(T... objects) {
+	public void update(List<T> objects) {
 		for (Object object : objects) {
 			em.merge(object);
 		}
 	}
 
+	public void update(T... objects) {
+		update(Arrays.asList(objects));
+	}
+
 	public void saveOrUpdate(AbstractModel m) {
 		if (m.getId() == null) {
 			em.persist(m);