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Analyzer for Chinese, which indexes unigrams (individual chinese characters).

 Three analyzers are provided for Chinese, each of which treats Chinese text in a different way. * StandardAnalyzer: Index unigrams (individual Chinese characters) as a token. * CJKAnalyzer (in the analyzers/cjk package): Index bigrams (overlapping groups of two adjacent Chinese characters) as tokens. * SmartChineseAnalyzer (in the analyzers/smartcn package): Index words (attempt to segment Chinese text into words) as tokens. Example phrase： "我是中国人" 1. StandardAnalyzer: 我－是－中－国－人 2. CJKAnalyzer: 我是－是中－中国－国人 3. SmartChineseAnalyzer: 我－是－中国－人 