GEOM and moving to CURRENT from 7.1

[Randy Bush]

>> Thanks *very* much for testing! It's important that we
>> get the details right, so that we can consider adding
>> code to help in the migration and fix whatever is broken.
> i may not understand things correctly, but it would seem three things
> are needed:
> o fix to source of problem
> o hack to migration so those with the trigger get it nulled
>   while migrating
> o repair hack for those of us who migrated and are suffering
>   the result

what ever happened here.  we still have a system with gmirror that we 
have suspended work on until we know what we should be doing.

randy