make the API treat empty fields the same as missing fields to avoid confusion
turn on validation for generate TPCH
making empty fields illegal
skeleton for an efficient converter from groups to cascading tuples
working selective tuple materialization for cascading
short class comment for the TupleScheme
replace DeprecatedContainerInputFormat with DeprecatedParquetInputFormat, should build under MR2
fix up cascading and scrooge to use DeprecatedParquetInputFormat
DeprecatedParquetInputFormat is not abstract
Treat Fields.UNKNOWN as Fields.ALL
don't create a TaskAttemptContext in ParquetReader
Fixed potential Integer overflow.
Use a simpler serialization for cascading Fields to be compatible with older cascading versions
+ needs space
Merge pull request #36 from 0xh3x/master

Potential Integer overflow in ColumnWriterImpl
Merge pull request #35 from avibryant/deprecated-mr2

Hadoop 2 compatible DeprecatedParquetInputFormat
skeleton for an efficient converter from groups to cascading tuples
working selective tuple materialization for cascading
short class comment for the TupleScheme
Treat Fields.UNKNOWN as Fields.ALL