bootstrap callcenter domains with ctable mapping

depends on:
* https://github.com/dimagi/ctable/pull/25
* https://github.com/dimagi/commcare-hq/pull/648
* https://github.com/dimagi/commcare-hq/pull/660

I will update the ctable submodule ref once https://github.com/dimagi/ctable/pull/25 is merged.