add columns fields
wip - working
Merge branch 'test'
disable validate
Merge branch 'test' of github.com:ruseel/cascading.hive
pos == -1
Merge branch 'test' of github.com:ruseel/cascading.hive
wip
Merge branch 'test' of github.com:ruseel/cascading.hive
columns from param
Merge branch 'test' of github.com:ruseel/cascading.hive
wip rm
Merge branch 'test' of github.com:ruseel/cascading.hive
don't set DataStorageLocation
Merge branch 'test' of github.com:ruseel/cascading.hive
Merge branch 'test' of github.com:ruseel/cascading.hive
Revert "don't set DataStorageLocation"

This reverts commit 022f3f047e8d23f47e1b2dd48f338726693d0d1a.
use HCatTap without DefaultHCatScheme for columns
Merge branch 'test' of github.com:ruseel/cascading.hive
missing ctor