fixes+improvements

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

@@ -182,4 +182,28 @@ public class CommentManager {
 		return upvotes - downvotes;
 	}
 
+	/**
+	 * 
+	 * @param comment
+	 */
+	public void delete(Comment comment) {
+		for (Comment subcomment : commentRepository.findAll(qComment.parent.eq(comment.getId()))) {
+			delete(subcomment);
+		}
+
+		voteManager.deleteByTarget(comment.getId(), Types.comment);
+
+		commentRepository.delete(comment);
+	}
+
+	/**
+	 * 
+	 * @param target
+	 */
+	public void deleteByTarget(Long target) {
+		for (Comment comment : commentRepository.findAll(qComment.target.eq(target))) {
+			delete(comment);
+		}
+	}
+
 }

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

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

@@ -52,6 +52,17 @@ public class VoteManager {
 		voteRepository.delete(vote);
 	}
 
+	/**
+	 * 
+	 * @param vote
+	 */
+	public void deleteByTarget(Long target, Types targetType) {
+		for (Vote vote : voteRepository
+				.findAll(qVote.target.eq(target).and(qVote.targetType.eq(targetType)))) {
+			delete(vote);
+		}
+	}
+
 	/**
 	 * 
 	 * @param target