Merge in RED/persistence-service from RED-5504 to master
* commit '663770bf9b262c30af3f5c9ccf034bea65100dc2':
RED-5504 - Prevent using exact same database schema/buckets/index for multiple tenants - remove tenantsHostAndSchemaMap - update junit test
RED-5504 - Prevent using exact same database schema/buckets/index for multiple tenants - update junit test
RED-5504 - Prevent using exact same database schema/buckets/index for multiple tenants - add junit test
RED-5504 - Prevent using exact same database schema/buckets/index for multiple tenants - add unique constraints to tenants table