updates to support datastore specific migrations#89

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phillipweston wants to merge 2 commits intosailshq:masterfrom vrmmo:promise_support_for_multi_migrations

+17-15

Commits on Apr 19, 2019

update to auto-migrations. now return Promise.resolve() or Promise.reject(err), so that we can Promise.all on the separate migrations for each datastore.
Phillip Weston
committed
updates to clean up code
Phillip Weston
committed