Check column.params always, fix deleting file column (issue #702)
Check column.params always, fix deleting file column (issue #702)

silverpond/active_scaffold,silverpond/active_scaffold,asoltys/active_scaffold,vhochstein/active_scaffold,silverpond/active_scaffold,BookingBug/active_scaffold,BookingBug/active_scaffold,vhochstein/active_scaffold,asoltys/active_scaffold,vhochstein/active_scaffold,BookingBug/active_scaffold,ajacksified/active_scaffold,ajacksified/active_scaffold