minor change of JSONFileReader class -- deleted unnecessary comment from the class
upgraded td-bulk-import.jar for integration tests
changed file reader classes -- moved method call 'conf.checkCompressionType(..)'
added SchemalessFileReader class -- refactored JSONFileReader class with SchemalessFileReader class
added SchemalessFileReader class -- refactored JSONFileReader class with SchemalessFileReader class v2
added new file reader 'MessagePackFileReader'
changed JSONFileReader and SchemalessFileReader classes -- refactoring
added integration tests for MessagePackFileReader class
changed PrepareConfiguration class -- uses MessagePackFileReader class
changed MessagePackFileReader class -- fixed bug: NPE
changed SchemalessFileReader class - uses 'time-format'
added new integration tests for MessagePackFileReader class
refreshed dataset for integration tests
upgraded td-bulk-import.jar for td command
renamed class: 'SchemalessFileReader' to 'NonFixnumColumnsFileReader'
changed {JSON,MessagePack}FileReader classes -- uses NonFixnumColumnsFileReader class
added new abstract file reader class: 'FixnumColumnsFileReader'
changed CSVFileReader class -- uses FixnumColumnsFileReader class