Add additional log.
Replace OpenCSV with JavaCSV library.
Add train and predict shell scripts for Cooccurrence model.
Merge branch 'Cooccurrence' of https://github.com/galaxyh/stack-exchange-tagger into Cooccurrence
Merge remote branch 'origin/Cooccurrence' into Cooccurrence
Add JavaCsv lib to compiling script.
Add javacsv jar
Used to split preprocessed file into several parts.
Rename FileSplitter to FileSplitter.java
Add new line to writer.