* Reorganize the db migration .sql scripts into individual schema version directories and generate the sql httpfs fakeFile accordingly.
* Created a /dev schema version directory to hold db schema updates that have not been finalized.
* Add an 'allow-development-migrations' flag to allow `boundary database init` to be executed even when there are schema updates in /dev.
I don't think the conditions exist here that necessitated it being
introduced into Vault, but I do sometimes see a baffling condition where
the address coming from the flag is empty. I don't think we need this so
take it out.
Todd Knight
Jim
Jeff Mitchell