Introduced HaniCollector.
Implemented HaniCollector.
Addressed code-analysis errors.
Renamed HaniCollector to HaniRssCollector.
Refactored HaniRssCollector to return articles instead of inserting.
Addressed assembly test.
Merge pull request #22 from jwChung/article-collector

HaniCollector.(한겨레 신문 뉴스 수집기)