Add support for push down filters in parquet
Convert to use of withFilter instead of extra constructor args
Cleanup the diff
Fix typo, add tests
move to use JobConf(true) for hadoop crazyness that causes host not found with the name of the namenode
Merge pull request #1051 from twitter/fixTWToIteratorException

move to use JobConf(true) for hadoop crazyness that causes host not foun...
Remove explicit (mf)
Add support for Fold
make constructors private
Merge pull request #1053 from twitter/keyedlistfold

Add support for Fold
Make sources final / use constructor args instead of anonymous inner classes
Address Oscar's comments
Merge pull request #1050 from twitter/alexlevenson/parquet-filter

Add support for push down filters in parquet sources
Add support for column projection to parquet sources
fix typo
Cache Execution evaluations
Change toIteratorExecution to toIterableExecution
Add TODO about extending AnyVal
Use the mixin pattern instead of the builder-like pattern
Add a test for diamond Executions