Fix Short and Byte types in Hive SerDe.
Merge pull request #124 from Parquet/serde

Fix Short and Byte types in Hive SerDe.
fix space format
Merge pull request #142 from Parquet/fix_total_size_row_group

Fix total size row group
Merge branch 'master' of https://github.com/Parquet/parquet-mr into fix_empty_encoding_col_metadata