* [FIX] database_cleanup: Isolate build
* Isolate `database_cleanup` into its own build in Travis file to fix#689
* [FIX] database_cleanup: Remove KeyError assertion
* Remove KeyError assertion in tests due to PR in comment being merged
[FIX] database_cleanup reloads the registry
which has weird side effects during testing. Take care
database_cleanup's tests don't mess up the following tests
Dave Lasley
Moises Lopez - https://www.vauxoo.com/
Holger Brunn