allow user creation even if old email was denied+discussion

I strongly suspect this is related to recreate trashed card when plus card is created, though I'm not sure fixing that will completely fix this...  (necessary but not sufficient?)

is this still the case?

I sort of suspect this will get wrapped into the account refactoring. tempted to lower pri...

  --Ethan McCutchen.....Fri Feb 18 10:36:06 -0800 2011

so, refactor account handling?

  --John Abbe.....Fri Feb 18 10:43:44 -0800 2011

yeah, I think so.

  --Ethan McCutchen.....Fri Feb 18 14:49:02 -0800 2011