TOOLS-299: sdc-useradm bulletproofness on bogus approved_for_provisioning
TOOLS-299: sdc-useradm bulletproofness on bogus approved_for_provisioning

Also bulletproof on sdcPerson.updated_at having multiple values.

misterdjules/sdc-sdc,joyent/sdc-sdc,misterdjules/sdc-sdc,joyent/sdc-sdc