Use normal code path for dropping test tables
Fix size calculation in SliceArrayBlock
Fix lazy block size calculation
Add config option to disable new optimized readers
Add support for Hive column oriented file formats

Add the HivePageSourceFactory to create ConnectorPageSource for to read a file format
Add framework for binding and testing HivePageSourceFactory
Add RcFilePageSource
Add HiveUtil.isStructuralType()
Add option to force local scheduling of Hive splits

Add a configuration and session property to force local scheduling of Hive splits
Minor session property fix