fixes+improvements

src/main/java/de/bstly/board/businesslogic/EntryManager.java

@@ -142,6 +142,16 @@ public class EntryManager {
 		return entryRepository.save(entry);
 	}
 
+	/**
+	 * 
+	 * @param entry
+	 */
+	public void delete(Entry entry) {
+		commentManager.deleteByTarget(entry.getId());
+		voteManager.deleteByTarget(entry.getId(), Types.entry);
+		entryRepository.delete(entry);
+	}
+
 	/**
 	 * 
 	 * @param entryId