rename tld to baseDomain in various places. it is in fact the base domain and not the TLD
replace testUtils.isIdentical by assert.deepEqual in test-UrlClassifier
move getPublicSuffix from HistoryReader to Utils
en-US tokenizer ignores empty strings
add www[nil-9] and http schema to url stopwords
rename tld to baseDomain in UrlClassifier and add publicSuffix
interest and keyword workers in WorkerFactory
KeywordExtractor and keywordsWorker