Add second data migration to fix responses

The 0008 data migration takes a long time to run. It missed a bunch
of responses which I think were created after the sql query was
run, so the ids weren't included in the batch.

We could fix the 0008 data migration, go back and run it again, but
it's way easier to just write a new data migration to patch the
situation.
Update py-bcrypt version

This has no effect in production since we use Persona for
authentication.

However, it does affect our test system since py-bcrypt (which is
referenced in the funfactory compiled.txt file) is pegged at 0.2 and
that's not available on pypi anymore.

So updating it to fix our test system.