This is part 1 of 4 for renaming the `newdbplugin` package. This copies the existing package to the new location but keeps the current one in place so we can migrate the existing references over more easily.
* database/influx: fix panic when trying to revoke user
Guard against other nil responses
* return an error if response is nil, which is unlikely but best safe than sorry
* refactor a deeply nested statement into a function
Merge both functions for creating mongodb containers into one.
Add retries to docker container cleanups.
Require $VAULT_ACC be set to enable AWS tests.
Michael Golowka