4022896 Revert "Change referential integrity to be a betxnpostoperation plugin"

Authored and Committed by rmeggins 12 years ago
    Revert "Change referential integrity to be a betxnpostoperation plugin"
    
    This reverts commit d316a6717b18cba9826639d82116baa967734f35.
    keep the code that allows switching between a regular and a betxn
    plugin