change some ParquetOutputFormat interfaces to mirror ParquetInputFormat (and be useful for writing a DeprecatedOutputFormat)
add a DeprecatedParquetOutputFormat to mirror DeprecatedParquetInputFormat
add another getRecordWriter overload
add Sink functionality to parquet.cascading.ParquetTBaseScheme
remove tests that check that TBaseScheme doesn't support writes
add some convenience methods (from ParquetOutputFormat)
add a simple test for DeprecatedOutputFormat
missing copyright notice
two unused imports