Revise "Quote - Twitter" Extractor #136

* Follow Twitter's tweet page change #136

* "Quote - Twitter" Extractor should remove "tco-ellipsis" from tweet
via https://github.com/Constellation/taberareloo/pull/120

* "Quote - Twitter" Extractor should contain tweet's new line

* Add TWEET_URL_RE, getTweet(), getCustomFlavoredString(), removeTcoEllipsis()

Close #136